What does Xu's live class sell?

The concept of health has long been known. Xu, a 33-year-old from Ganzhou, Jiangxi, studied medicine and worked in a public hospital to help the world. In order to serve more people, she set up her own health consulting company, which began to broadcast live on the Internet on July 1 2022. Xu herself said that she only sells books on health concepts and early knowledge, so that people can find problems early and treat them early.