1, avoid scratching and high temperature environment, scratching will aggravate the rash, serious infection can be caused. 2, bathing does not have to be too diligent, the water temperature should not be too high (do not feel cold), not too long, not rubbing, avoid salt water, pepper water and other scalding, do not soak in the hot spring steam sauna. 3, choose cotton soft intimate apparel, static dryness will aggravate the itchy skin, indoor humidifier can be used in winter. 4, after bathing the whole body coated with emollient milk (preferably products for sensitive skin), especially for patients with pruritus in autumn and winter, to keep the skin moisturized to reduce itching. 5, pay attention to a light diet, no clear allergens before the spicy stimulus, seafood, beef and mutton, wine and other hair products should be avoided. 6, after taking anti-allergic drugs may not immediately ease the itching in a short period of time, there are blisters, exudation, large erythema flaking patients itching symptoms will continue for several days, especially to advise patients with facial dermatitis has exudation do not apply ointment, because the skin osmotic pressure, ointment will aggravate the exudation, cold wet compress is a way to relieve burning itching (do not use hot water). It is very common for allergic dermatitis to worsen if not properly cared for. If the symptoms worsen, it is recommended to follow up, and the acute phase can also be treated with herbal medicine, which can shorten the course of treatment.