Liu's quadruple therapy is a further improvement on the basis of the original Liu's cancer treatment, which has better played the role of Chinese medicine in treating cancer. This is the result of decades of hard work by Dr. Liu Xian and Dr. Chow Tai Fook. According to the theory of traditional Chinese medicine, the internal treatment adopts the treatment principles of promoting blood circulation to remove blood stasis, dredging meridians, softening hard mass, clearing away heat and toxic materials, invigorating qi and nourishing blood, strictly follows the principles of monarch, minister and assistant, and adds and subtracts according to the patient's condition on the basis of special prescriptions, thus breaking the original treatment habit of one disease and one person, improving the internal environment of patients, improving the immune function of human body and achieving the purpose of eliminating cancer poison. External treatment is made of dozens of precious Chinese herbal medicines according to scientific formula, with complementary internal treatment and internal and external treatment, effectively enhancing the anti-cancer effect, so that the cured patients will not relapse or metastasize for more than ten years or decades. Patients can live a long and healthy life without taking medicine for life. This therapy was identified by the "Clinical Application of Comprehensive Treatment of Tumors with Traditional Chinese Medicine" held by Xi Science and Technology Commission in An on 19951February 18, and it has a good effect on digestive system and other tumors. According to the novelty search by the Provincial Institute of Science and Technology Information, there is no similar report at present. After careful discussion by the appraisal committee, it is considered that the comprehensive treatment method and therapeutic effect of traditional Chinese medicine adopted in this subject have reached the advanced level of Chinese medicine in treating cancer at home and abroad, and won the annual scientific progress award of Xi City 1997.