If I want to collect childlike innocence. I don't know how much it is worth, and there is not much room for appreciation. Do you know that?/You know what?

Tong Xintian is the founder of children's calligraphy and a senior rank in the university. I heard that his children's calligraphy was approved by the National Copyright Protection Center and applied for a patent.

Teacher Tong is also a reporter of Xinhua News Agency, a member of Chinese Writers Association, a member of China Calligraphy Association, and the vice chairman of the National Calligraphy and Painting Art Committee.

There are only 12 published calligraphy and painting reviews, with more than 3 million words. Tong Xintian's works have been auctioned at international and domestic auctions such as Beijing Poly, Rongbao, Hanhai, Guardian, China Trade Shengjia, Sotheby's in Hong Kong, China Europe International, Lawrence in the United States, etc., with lots ranging from several hundred thousand yuan to several million yuan.