Dust allergy is the most common allergy phenomenon, specific treatment measures are as follows: 1, keep indoor air circulation, if possible, you can use negative ion air purifier, purify indoor air, as little as possible to the crowded places, go out as far as possible to wear a mask; 2, you can increase the body resistance by increasing exercise; 3, diet, eat more easily digestible fresh vegetables, fruits, such as pears, fungus, eat more food rich in Vitamin-rich foods and less fried, stir-fried, oily and deep-fried foods; 4. If the allergy is serious, it is recommended to treat with anti-allergic drugs, and serious patients even need emergency anti-allergic treatment; 5. Those who have the conditions for desensitization can undergo desensitization treatment.