On February 20 10/0, Ma Yongan's calligraphy was appraised by a series of experts and obtained the registration certificate issued by the National Copyright Administration of China. Officially named "Yan Style Calligraphy", it is the sixth calligraphy style after China traditional official script, running script, cursive script, regular script and seal script relay the golden section of human body. So it is also called "Yan Ti".
Yan Shu has a winding path leading to a secluded place. 20 1 1654381October, Ma Yongan completed the sixth calligraphy style, and created an expanded calligraphy style, eventually forming his own complete calligraphy system.