【正确答案】Chinese medicine has been used for thousands of years. It has been proven remarkably effective in treating and preventing diseases as well as maintaining health. Before western medicine was introduced to China, our ancestors had been using Chinese medicine treatment. Chinese medicine as a system is the most complete traditional medicine currently in the world, yet throughout its history it has continually developed in response to changing clinical conditions. Because of its systematic approach and clinical effectiveness Chinese medicine has for centuries had a very great influence on the theory and practice of medicine in the East, and more recently has grown rapidly in popularity in the West.