Advertising on posters is meant making the subject in issue well-known and identified to the audience and to attract them to select, purchase, and/or follow up the case; considering the point that the audience enjoy an increased knowledge and consciousness nowadays, graphic designers should have a more specific performance to this effect and hence they are to take benefits of sociology and psychology disciplines, rational estimations, scientific findings and to find the correct and helpful strategy based on such information in order to catch the attention of audience that may lead to a subsequent achievement in the competitions. Therefore, a process of assessment of the audience and classification of them by such measures as sex, age groups, socioeconomic and political inclinations, needs, educational level, employment and revenues, social status e.g. whether they are from among general public or the elites, the position they take toward the message as opponents or proponents, as active or passive audience, and finally determination of the purposes sought by the message are introductory actions to be taken before an advertisement message is designed. One may discover the proper approaches to the creation of effective relation with the target audience through exciting the desired reactions, the identification of moral and ideas of each of the aforesaid groups. The research methodology of this article was based on some documents of artistic collections including a statistical universe consisting of about one thousand successful posters all over the world within the recent decade. The statistics obtained and the data collected are according to the artistic characteristics of the posters and the percentages presented are indicative of the rate of application of each advertisement strategy in the aforementioned posters. The concluding part of article includes a list of advertisement strategies helpful for all graphics designers: strategy of observance of simplicity, the strategy of frequency of poster repetition of uniform and similar elements, exaggerated expression of special feature, the strategy of distortion, the strategy of presentation of a reasonable excuse, the strategy of employment the reputation of famous characters, strategy of giving sense on the helpfulness of harmony with majority, the strategy of harmony with time acceleration and abstraction, the strategy of metaphoric and indirect expressions, strategy of symbolic expression (establishing symbolic relation), the strategy of the modern esthetics for an emphasis on written and visual communication, strategy of excitement of the dormant childhood by making childish pictures, strategy of creation of a felt need, strategy of forming and induction of new phenomena, excitement of sentiments, exhilarating and creation of funny sense, creation of fearfulness, strategy of attention to folklores, introduction of advertising character, strategy of using color attraction for an explicit and quick expression. For further explanation and clearance of the role of each of the said advertisement policies they are described with some detailed samples. The final result indicates the effect of the proper selected strategy in success of the assessed posters.