Cao introduced his personal experience.

Mr. Cao, whose real name is born in Songjiang, Shanghai, 1942, is a native of Rosa laevigata. I graduated from the Chinese Department of the University with a master's degree. He used to be a senior lecturer in the selection, writing and calligraphy of Shanghai Songjiang Normal University, an associate professor in the selection, writing and calligraphy of Shanghai Radio and TV University Songjiang Branch, and a professor of calligraphy and ancient prose at Xilin Temple in Songjiang. Member of China Couplet Association, member of China Hard Pen Calligraphy Association, member of Shanghai Calligraphers Association, member of Songjiang Dream of Red Mansions Research Association, and vice president of Couplet Association. When I was young, I learned melody enlightenment and fell in love with couplets. When I saw it, I must write it down. When I saw the scenery, I must write it down. He often writes Spring Festival couplets and loves calligraphy. And the dragon, thanks to Yao Qingyun, a famous calligrapher at sea, became a famous calligrapher. The couplets once written were investigated during the Cultural Revolution, and all the recorded and written couplets were set on fire. Since the 1980s, he has been involved in the creation of couplets. 1989 participated in the compilation of Wonderful Appreciation Dictionary by Shanghai Dictionary Publishing House. 1990 participated in the collection of Spring Festival couplets in 100 counties in China. With the help of Zhang Yajuan in the county, more than 400 pairs of Spring Festival couplets and couplets in Songjiang County, Qingpu County and Taiwan Province Province were collected. 1994,67 couplets were selected as "Selected Couplets of Contemporary Education". The Grand View of Couplets of Famous Bridges in China, edited by Professor Jin Shiqiu, curator of Nanjing Modern Museum, was also written by nanpu bridge and Yangpu Bridge. Since then, he has published couplets in Han and Mo Contemporary Educators' Couplets, Brilliant Career, The Dream of a Pure Son Begins in a Pure Country, Selected Books and Paintings Collected in Tianmu Mountain, The Gate of the Century-Couplets Collection of New Year Pictures in 2000, and Grand View of New China Couplets. Outstanding achievements, brilliant achievements.