His works are rich, mainly including Clinical Physician's Diagnosis and Treatment Skills, Clinical Prescriptions, Notes on Materia Medica, Qin Bowei's Medical Masterpieces, Tips of Famous Doctors, 100 Law on Prevention and Treatment of Common Diseases, Family Health Series, Newly Edited Family Health Consultant, Treatment Skills of Modern Famous Chinese Medicine, etc. Editor-in-chief of training materials for health consultants in China.

He has been to Japan, South Korea, Singapore, Malaysia, the Philippines, the United States, Canada, Europe and other countries for lectures, consultations and academic exchanges. Good at diagnosis and treatment: nephritis, nephropathy, renal insufficiency, uremia, tumor, hematological diseases, menstrual diseases, infertility, menopausal syndrome, skin diseases, acne, chloasma, cardiovascular and cerebrovascular diseases, diabetes, osteoarthropathy, stomach diseases, cough and asthma. At the invitation of the Central Health Bureau, major ministries and commissions, the Bureau of Retired Veteran Cadres, provincial, city and county governments, associations, enterprises, TV stations and radio stations, hundreds of health talks with the theme of health care have been held successively. Wu Lao is full of energy, funny words and kind words, and is deeply loved by the audience. Wu Lao's health lecture system is concise and practical, and has been recorded and broadcast on CCTV, Beijing Satellite TV and Hebei Satellite TV for many times.

Invited by state administrative organs, large enterprises, institutions and trade associations for many times, he held nearly 1,000 special lectures on health science, and was invited to give lectures and interviews on health programs on many TV stations across the country. Now he is an expert of traditional Chinese medicine in Yangshengtang of Beijing TV Station and a member of the expert advisory group of CCTV health early bus.

Ms Wu Dazhen's husband is Mr Wang Fengqi, a famous Chinese medicine expert.