Itchy red face skin may be caused by contact dermatitis, hormone-dependent dermatitis, seborrheic dermatitis and other diseases. It is recommended to get rid of the allergens, take good care of your daily life, and give the right internal and external medication. 1. Contact dermatitis: allergy is induced by contact with certain stimulating or sensitizing substances, resulting in itchy and red skin. It is recommended to remove the undesirable stimulus, local ice can relieve itching. If necessary, topical application of hormone-free creams such as tacrolimus and pimecrolimus can help relieve symptoms. 2. Hormone-dependent dermatitis: due to long-term use of hormone-containing creams or cosmetics and the resulting inflammatory reaction, there will also be itchy red skin, at this time you need to stop using all the suspicious creams and cosmetics, topical calcium-modulated phosphatase inhibitors such as pimecrolimus or tacrolimus, non-steroidal drugs such as butyl flufenacoumide cream, and so on. In the acute stage, it can also be treated with the help of cold spray and cold compress. 3. Seborrheic dermatitis: Facial seborrheic dermatitis is an independent skin disease, the lesions may appear erythematous, flaky, itchy. It can be applied externally with tacalcitol, flufenamic acid butyl ester ointment, which is more effective in relieving itching. If accompanied by bacterial infection, if necessary, with roxithromycin and other anti-infective drugs treatment. Facial redness and itching, it is recommended not to use warm or hot water for scalding, to avoid aggravation of symptoms. Wear a mask when going out to reduce external stimuli. If necessary, consult the dermatology department of the hospital, after clarifying the cause, for the cause of the treatment. The medication should be used according to the doctor’s instructions.