Outside and the six lewd injury qi and blood, wind, cold, heat, humidity and fire. The six sexes, wind, cold, heat, humidity, dryness, fire is also. Wind for the four seasons is not the right volatile slaughter of the gas, hair and the most can be in the people; cold is not seasonal, wind and rain, snow and cold injury, or mouth greedy cold things; summer because of hyper-yang cool day, scintillating fire flow gold, damp heat fumigation and in, wet from sitting and lying for a long time yin humid place, or body suddenly approaching the wind and rain tide invasion; dry for the Yin deficiency of internal heat, dissipating fluid, can not moisten the internal organs, so that the skin withered, dry for dry; fire born in the mind disturbed, alcoholic wine The fire is born in the mind, alcohol, wine, sorghum, room desire not leisurely moved. These six, all from the outside and into the body of the real people encountered and not in the people, weak people feel and with the hair more. And there is the sense of not issued, the evil guest in the internal organs, meridians, joints within the accumulation of attack for a long time, or to be internal injury, or because of external sensation, the evil touch and hair, both after the hair, when the cold, heat, temperature and cold, the evil and the treatment of the positive and negative.