. Yu Jun is a member of China Calligraphers Association, a director of Shanghai Young Calligraphers Association and a member of Shanghai Calligraphers Association. The value of his paintings and calligraphy works is influenced by the relationship between market supply and demand, the quality of his works and the popularity of the author. The market price of Yu Jun's calligraphy works ranges from 65,438+00,000 yuan per square foot to 20,000 yuan, and some reach more than 20,000 yuan per square foot. Therefore, the calligraphy and painting of Yujun Calligraphy and Painting Art Museum is valuable.