Recurrent facial allergies are now very common in clinical practice, especially for young women with a very high incidence. Conditioning should be done from the following aspects: 1. As much as possible, the cause should be found. Many people’s allergies may be related to their own long-term repeated use of improper cosmetics, especially many of these micro-merchants or buy these skin care products are not regular, the composition is unknown, temporary use is okay, long-term repeated use, resulting in damage to the skin’s stratum corneum or the skin’s barrier function. It is easy to stimulate the hot and cold outside or other normal skin care products even with the normal use of allergies, not to mention the current external environmental pollution is more serious, which are prone to facial allergies. So on the one hand, find the cause and try to avoid it. 2, repeated allergies after the skin barrier is damaged, it is recommended to use some medical skin care products, such as Avène, Skin Spring, Winona, etc. have corresponding these skin care products. 3, pay attention to sun protection, to avoid these allergies after the skin lesions, sun exposure will leave pigmentation. 4, the most important do not go to beauty salons or incomplete qualification of these institutions, must go to the regular The dermatology department will develop the appropriate treatment plan according to your situation.