With the development of the times,contemporary poster design constantly seeks new forms of expression and cultural connotations.Traditional Chinese ink wash elements,with their unique artistic charm and profound cultural heritage,have become an important source of inspiration for contemporary poster design.Chinese ink painting is a unique aesthetic form of traditional Chinese painting,expressing a state of extreme Eastern beauty.The development of ink painting began in the Tang Dynasty.Ancient Chinese literati used brush and ink to express their thoughts,spirits,and emotions.This is why they were able to create masterpieces that have lasted for thousands of years and establish their own aesthetics and aesthetic views,thus forming the unique national visual art characteristics of Chinese painting.This paper is based on traditional Eastern aesthetics and aims to explore the visual correlation of traditional Chinese ink painting in poster design.Starting from the integration of modern poster design and traditional ink painting art,it explores how to better meet the needs of modern development in poster design.