Designed by Cui, a grassroots calligraphy enthusiast. Cui, a severely burned disabled old man, cooperated with Fangzheng font library to develop fonts and digitize Cui's original chalk characters. Ren Xian, the founder of simplified Chinese characters, was named after this old man. Founder font said that this is also the opinion of netizens. Some netizens said that on the one hand, it is the name of the old man, on the other hand, it can also mean kindness. Cui's original founder font is antique and has a strong sense of design. After creation and development, it is suitable for advertising, magazine article titles and carving on classical furniture.