There is no scientific basis for washing hair in the morning to hurt yang qi. Wash your hair in the morning is usually not harmful to the human body, and will not damage the body’s vital energy, but it is recommended that patients should pay attention to the moderation of the water temperature when washing their hair, do not use too cold or too hot water, so as not to cause irritation to the head. And it is recommended that the hair should be blown dry immediately after washing, otherwise it may be exposed to the wind and appear cold, so there is no scientific basis for washing the hair in the morning to injure the vital energy. Injury to yang qi is generally caused by the invasion of cold or dampness into the body, the symptoms are often manifested in the loss of appetite, lumbar and knee soreness (lumbar and knee soreness and weakness of the feeling), limbs are not warm, urine clear long, etc., the patient, if there are other symptoms of discomfort, but also to go to the hospital in time for medical treatment. It is recommended that patients should pay attention to keeping warm during weekdays to avoid being attacked by wind and cold.