Mostly caused by strenuous activity, emotional stress and excitement caused by a rapid heartbeat, increased blood pressure, facial skin expansion, congestion, and facial red purple. The red-purple face is often caused by temporary vasodilatation of the face, which can be caused by a variety of factors such as emotional excitement, phytonadic dysfunction, endocrine influence or direct action of vasoactive substances on the dermal blood vessels of the face. It can be seen in a staccato cough with a spasmodic period lasting 2-4 weeks or longer. The cough is paroxysmal, spasmodic and violent, and is followed by a cockle-like inspiratory sound. Etiology of facial redness and purple color: Facial redness and purple color is often due to temporary vasodilation of the face, which can be caused by a variety of factors such as emotional excitement, vegetative nervous disorders, endocrine influence or direct action of vasoactive substances on the dermal blood vessels of the face. Cold stimulation, dry air, sandy climate, sun exposure, so that capillary tolerance exceeds the normal range, causing capillary dilation and rupture. Occupational factors: such as chefs. Welders and other flame fumigation. Beauty care factors: such as skin care products in the destruction of the ingredients of acid and hormone-dependent capillary dilation rupture, as well as peeling caused by skin immunity is fragile, often on the beauty salon to do suction surface care can also lead to vasodilation rupture. Ultraviolet radiation: strong ultraviolet radiation destroys the stratum corneum and causes poor capillary dilation performance. Excessive temperature difference between hot and cold, causing excessive capillary dilation The use of some cosmetics containing heavy metals and other toxins residual epidermis, causing sensitive reactions and damage to the stratum corneum. Living in alpine regions or frostbite, resulting in obstruction of blood circulation, stagnation of the blood vessel wall so that the face shows a strip of red blood. Strenuous activity: strenuous exercise is we in physical education classes, sports training and after the game two situations: one is that some people in sports or after sports because of thirst and binge drinking, resulting in bloating, stomach pain and other uncomfortable feelings, the other is that some people have been thirsty, but still subject to a constraint, can only wait a long time after the end of sports before they dare to rehydrate, resulting in body dehydration and various diseases.