Abstract: Yunnan is a "cornucopia of national culture",is a multicultural blend with each other,the area inhabited by many ethnic minorities living in different ethnic minorities in the history of the development process,the formation of a dance,customs,food,architecture,clothing,crafts and other distinctive national culture,constitute the Yunnan unique "ten different customs,different tone Barry," mountains and rivers strengths and weaknesses of the natural and cultural landscape,created a strong heritage of Yunnan ethnic cultures,but also adds Yunnan create a new image of strength.So the colorful Yunnan ethnic cultural elements in Web design for fusion to show national characteristics,Jan national culture,heritage national spirit has a certain significance.