Clothing: cotton, light-colored, loose fitting, wash and change frequently. Food: Observe what you eat after the rash and itching worsens, keep a food diary, pay attention to the relationship between diet and rash, it helps a lot to find food allergens, do not easily believe in allergen testing, allergen testing is a reference, not a substitute for patient experience. Live: Try not to live in the basement (humid), no pets, no carpets, not too many flowers, bedding as cotton as possible, rooms should be often ventilated. Walk: observe what environment will aggravate your condition, some places should pay extra attention, such as: botanical gardens (more pollen), zoos (more animal hair), home improvement market (more organic volatile substances), etc. Washing: bathing but more, but less, warm water, remember to wash immediately after the external use of moisturizing milk, to maintain the moisture and integrity of the skin is very important, to make a habit.