The existence of '' repeat'' in all symbols of the world is recognizable in different ways; because every manifestation in the world creates something like itself that the investigation of it in to the aesthetic aspects of the human mind, create a unique beauty which cause esthetic and beautiful worshipping inside human mind. The principle of repetition or recurrence in the creation of art work, especially in poetry is an essential element and repeated balance in literary text shows the creativity of poet in which the balanced repetition is the ornament of speech. In traditional view repetition in poetry were analyzed through the oratory and rhetoric approach. But in new approach, and thus the result of interaction with other sciences and deep perspective on literary texts with different approaches, can be analyzed with other approaches. Since the written articles about the repeat both in classic and contemporary poems often pay attention to the musical aspect of repetition, repetition function, historical way and the division of this innovative array in the field of sentences, speech, words, phonemes, etc. analyzing the fundamental aspect of this array can be considered as a new subject for literary researcher who are in favor of politeness. The foundation and psychological origin of repetition from various science perspectives is different and through finding the difference of these origins, various functions will be found. For example, in psychology repetition often have educational and training function; in story have the function of emphasis, redundancy; in every day speech have the function of emphasis, hint, threat and inhibition; in political science have the function of emphasis, training and threat. In poetry also, sometimes based on the poem's environment, a different meaning from its original meaning will be found; so that its meaning regardless of context in which the repeated word is repeated is not that much possible. Repetition in Kaiser Aminpour poems has mental principles, psychological origin and also specific aim which it is taken from his inner feeling and mental thought. Repetition in Aminpour poems, cause the same identification for audience; audience in this organic connection is the poet's experience in his life and his subconscious which is tangible and concrete. The most prominent repetition foundation in Aminpour lyrics are: Repetition based on inner feeling: Sometimes repetition is the result of inner feeling and psychological aspect which often mentioned unconsciously by language; the repeat which comes from the inner feelings with the meaning of the words can be used as means that through which the audience understand the inner feeling and emotional state of the poet or can have the same characteristic with poet and this fact is one of the psychological aspect of repetition. The nostalgia feeling is an inner feeling in which the repeated words are under the influence of the thought and social context of the poet's time and poet's fatigue sprits unconsciously shows some of the lost concepts and positions by nostalgia feeling. The repetition under the influence of nature elements: One of the facts which affect the element of feeling and emotion is to see the beauty and attractive scenery of the nature. In this sense of communion with nature the poets tries to imitate and get some sample from nature. The repetition which is influenced with beautiful manifested elements of nature in human essence began with a visual experience and ends with verbal expression. The repetition that comes from the imaginative mentality: The other element of repetition in poetry is imaginative mentality. The poet through the connection between thought and phenomena and by providing proper image tries to make easy the meaning transfer and the influence of speech for the audience that shows the sign of emotional connection of poet and audience through similarity or by vicinity. The selection of appropriate poetic image for effectively transferring emotion is the result of the imaginative and artistic mind of poets which affect audience and audience motivation brings literary pleasure for audience. Creating suitable images for transferring meaning and influence of words in the hearts and minds of audience along with repetition of language, increase charm and excitement of poet's poems and cause too much arousal in the essence of the audience. The repetition that comes from this mentality cause stability and persistence of image and related words in the aesthetic filed of that image in the mind of that audience so that the audience by inducting that image and its repetition try to find out aesthetic value of this obvious array. Repetition that comes from centralized mentality: Sometimes focusing on a central thought, make challenge in the artists mind and artist use frequently repetition samples which comes from this central thought in his/her art with different motivation. In some other times the repetition with the aim of motivating audience with a central thought, increase in poet's mind  and unconsciously  the poet shows this language repetition of central thought in his/ her poems. The more the focus of mind and thought on the concept is richer, the more its art will be stimulating; moreover, the centrality of mind on some of these words is the result of capability of language which root in some of the personal characteristic of poet such as, types of thought and vision, spirit of faith and ideological foundation. The repetition that comes from the musical sense: Sometimes the repetition of words, phonemes, etc with the aim of affecting them musically will stimulate audience's emotion and in some other situation the musical capacity of words, phonemes cause the establishment of repetition.  Furthermore, the aesthetic pleasure which is produced from musical repetition along with emotion and feeling in Aminpour poem's as a stylistic feature can be reviewed and analyzed.