It is normal for a 38-year-old woman to have a small amount of gray hair, and a large amount of gray hair is abnormal. Chinese medicine believes that the kidney its Hua in the hair, kidney gas enough, hair will be thick, black, shiny, kidney function is not enough people, may appear hair loss, gray hair and a series of symptoms. In addition, the basic theory of traditional Chinese medicine points out that the woman thirty-five kidney qi gradually decline, so 38-year-old women appear a small amount of gray hair is a normal phenomenon, if there is a large number of white hair, is abnormal, can be in the Chinese medicine practitioner under the guidance of the evidence to take kidney drugs for treatment. If a large number of white hair, you need to go to the hospital in a timely manner to clarify the cause of the disease, standardized treatment under the guidance of the doctor, do not blindly take medication, so as not to damage the body and aggravate the condition.