Warm constitution should be yang-quality, yang-quality is a type of constitution characterized by excitement, mobility and heat. The physiognomy of yang-quality is characterized by a moderate or thin body; a slightly reddish or slightly blackish complexion, or oily skin; a large amount of food, easy to dry stools, and easy to urinate with yellowish redness. People with yang quality are usually afraid of heat and like cold, or easy to sweat, and like to drink water; lips and tongue are reddish, moss is thin and easy to be yellow, and the pulse is slippery; they are outgoing, active, easy to be impatient, and have poor self-control; they are energetic, quick, responsive, and have strong libido. Partial yang quality of people, it is recommended to avoid spicy stimulation of greasy food, should be light diet, regular work and rest, do not stay up all night, and so on.