What is it called to let calligraphers write?

Mo Bao. The calligraphy written by the calligrapher is called Mo Bao, which was also called "the trend of calligraphy" in the Jin and Tang Dynasties. There are other nicknames such as waving, volatilizing, dyeing hair, grasping the tube, manipulating the tube and throwing the tube. Since ancient times, people have regarded the words written by calligraphers as "Mo Bao". The word "Mo Bao" refers to the precious original calligraphy, and it is also a respectful name for words or paintings written by others. Explain the precious original calligraphy. The museum is called "Mo Bao", which means that all the treasures are the treasures of the original works of celebrities. In the Qing Dynasty, Zhao Yi wrote in his poem "The Title": "The son of heaven in Chunhua is rich in cultural relics, loves ancient Mo Bao and diligently collects it.