Because his calligraphy works have extremely high artistic value and collection value. Ren Jinfa is a master of calligraphy in China. His calligraphy works have both profound traditional knowledge and unique personal style and charm. His calligraphy works enjoy a high reputation at home and abroad and are widely collected and praised. In addition, the number of Ren Jinfa's works is relatively small, and the supply of his works in the market will gradually decrease. This will also lead to an increase in the price of his works.