Eczema is one of the most common diseases seen in dermatology clinics and it is a reaction and manifestation of allergies in the body. The causes of the disease are complex and varied, with the interaction of many factors, sometimes not a single factor can lead to and explain. Among the more common are: 1, living environment: long-term living in a humid, poorly ventilated environment; home found in the mouse, cockroaches and breeding pets; family members in the indoor smoking and home often smoked incense, these may increase the risk of disease. 2, external stimuli: such as exposure to the sun, cold, heat, dryness, sweating, scratching, friction and other physical factors; the use of cosmetics, soap and other chemical agents; and exposure to a variety of animal fur, certain plant pollen, etc., can induce eczema. 3, the impact of diet: certain foods can also make eczema aggravated, such as tobacco and alcohol, spicy stimulants are most common, including hot pot seasonings and drinks, wine together. There are also some uncommon foods, such as soy, sesame, tomatoes, mangoes, shrimp, spinach, etc. can also cause. 4, intrinsic factors: In addition to the impact of various external factors, intrinsic factors such as excessive mental tension, insomnia, fatigue, emotional stimulation, infection, endocrine disorders, etc., can produce or aggravate the eczema condition. Therefore, patients actively cooperate with treatment at the same time, but also give full play to their own initiative, from the fine points of life to do a good job on their own care, can play a complementary role in the treatment of the disease. The following eczema patient precautions for reference: 1, about life: indoor air circulation, environmental cleanliness, to avoid moisture; bed sheets, mats, bedding, etc. should often sun wash to prevent the breeding of household dust mites. 2.On personal hygiene: change your clothes often; take a bath often, but the water temperature should not be too high, never scalding, 30 to 40 degrees Celsius is appropriate, use moisturizer to protect the skin after bathing. Patients with facial allergies can use medical skin care products, that is, skin care products that do not contain fragrances and flavors. 3, about food: all kinds of spicy stimulating food, such as chili, ginger, leek, onion, garlic, pepper, pepper, mustard, alcohol, coffee, etc., often cause the disease to recur or aggravate after eating, should be used sparingly or not. For other foods, after eating can pay attention to observation, if found after eating aggravated, the recent can avoid food, such as no obvious reaction, can be used in moderation. 4, in addition, patients should also maintain a relaxed mood, to avoid excessive mental tension brought about by the disease, to ensure adequate sleep; appropriate physical exercise to enhance physical fitness. 5, about children’s eczema precautions: the diet advocates breastfeeding, can not breastfeed the child can be used according to the situation of ordinary formula, hypoallergenic formula or free amino acid powder. It is recommended to clean the room with a wet mop and rag to avoid the inhalation of allergens such as house dust, snails and animal hair. Bath time should be 5-10 minutes, water temperature 30-40 degrees Celsius, use mild bathing gel and moisturize with suitable emollient immediately after bathing.