Leg allergies can be improved from the following points: 1. the surrounding environment, observe whether there are allergens, such as food, dust in the air, furniture and objects around you, etc.. If you find allergens, you should avoid them immediately to avoid recurrence of the disease. 2. Observe whether you have low immunity, when your immunity is poor, you are also prone to allergy, you can take compound glycopyrrolate tablets and exercise appropriately to improve your immunity. 3. When repeated allergies occur, it is difficult for the body to heal through its own ability, you can use loratadine, cetirizine tablets or topical glycopyrrolate lotion. You can use loratadine, cetirizine tablets or topical glyburide lotion or dinaide cream, orally and topically, choose 1-2 kinds, 3-5 days can be effective, 7-10 days can be cured.