Wang Ling, female, was born in 1955. Currently, he is the chairman of the iris expert committee of China Health Care Society, the standing committee member of the sub-health branch of Chinese Medicine Society, and the leader of the national iris holographic technical consultant vocational training and teaching group. For many years, he has been engaged in the research of iris prediction and diagnosis technology, natural medicine and sub-health non-drug treatment. He used to be a member of China Medical Professional Network, which was established by the State Planning Commission and cooperated with the Chinese Medical Association. Clinical activities such as iris prediction and diagnosis and health intervention for sub-healthy people were carried out in the pilot units of community health service institutions designated by Beijing Municipal Health Bureau. As the editor-in-chief, he organized and participated in the compilation of vocational training materials for Korean iris holographic technical consultants of the Ministry of Labor and Social Security of People's Republic of China (PRC).