Poster is an art of information transmission and a popular propaganda tool. Posters are also called posters. It is posted on the street wall to attract the attention of passers-by with its eye-catching pictures. Poster design should have considerable appeal and artistic appeal, and mobilize factors such as image, color, composition and sense of form to form a strong visual effect. Its pictures should have a strong visual center, be novel and concise, and have unique artistic style and design characteristics.