Allergic people are prone to allergic reactions after contact with or inhalation of willow, poplar, pollen and other substances, which can be manifested as red dots or red spots on the skin, accompanied by obvious itching of the skin. In this case, you can first wash with water or ice to relieve the symptoms. Daily you can use cool boiled water, natural mineral water or boric acid solution, put it in the refrigerator to about 4 ℃, then use this water to wet a towel in the local ice, 2-3 times / day, 10 minutes / time, at the same time should pay attention to do a good job of skin moisturizing and emollient. Patients with long-term allergies should always have anti-allergy drugs such as chlorpheniramine maleate tablets and loratadine tablets at home. If self-treatment for 2-3 days does not improve the allergy phenomenon, or if eye or nose allergy, throat blockage, and symptoms of respiratory diseases appear, you should seek medical attention as soon as possible. In addition, people with willow allergy should take preventive and protective measures during the high season to avoid allergic reactions. For example, you should wash your face with warm water and apply skin cream every day, avoid going to places with a lot of willow wadding, and try to reduce the time you go out. When you must go out, wrap yourself up tightly, wear long-sleeved clothes, sarongs, masks, glasses, etc. when you go out. Before returning home, take care to remove willow residue from your body. Willow is very sticky, so try not to dry your clothes outdoors.