All right. According to the inquiry of China Xue Xue. Com, a white-haired doctor is a real white-haired doctor, who can master all the techniques in six hours and become an expert in the industry. A product can solve the problem of white hair, zero threshold and zero franchise fee. Getting goods is not only a joining policy, but also a regional protection policy. This year's blue ocean market is the new ceiling of American health care industry.