The face is particularly red after exercise is considered to be a normal phenomenon, cholinergic urticaria, solar dermatitis, can be relieved by rest, drugs and other methods. 1. Normal phenomenon: during exercise, the body’s blood circulation will be accelerated, which will lead to capillary expansion, the facial skin is relatively thin and rich in capillaries, so the face looks particularly red, usually no other discomfort symptoms, this situation will be relieved after resting for a period of time. 2. Cholinergic urticaria: after exercise will make the skin local center body temperature rise, cholinergic nerve impulse release acetylcholine, cholinergic urticaria, in addition to the red face, there will be some air masses accompanied by itching symptoms, you can take loratadine, ebastine, etc., and can be coated with glycerite lotion to relieve itching. 3. Solar dermatitis: If it is in the outdoor sports long time ultraviolet radiation will cause solar dermatitis, manifested as redness, swelling, burning and pain, can be coated with glycerine lotion, the serious can use boric acid solution, eosinacrine solution for wet compresses, but also oral vitamin C, loratadine. After exercise face especially red is generally a normal phenomenon, but we can not ignore the possibility of disease, accompanied by discomfort should be timely to the hospital, to identify the causes, targeted treatment, do not self-medication.