When symptoms of allergic dry cough appear, first of all, you need to go to the hospital immediately to check for allergens, find the relevant allergens, and then avoid contact with them. Second, treatment with anti-allergy medication is required. For children, oral dexloratadine is recommended; for adults, dexloratadine, loratadine, paracetamol or cetirizine hydrochloride can be taken for anti-allergic treatment, which are all effective. For dry cough, glucocorticoids and bronchodilators are also needed for relief. In adults, direct inhalation of Symbicort is recommended to relieve dry cough. In children, nebulizer inhalation of terbutaline sulfate and budesonide is recommended and is more effective. For allergic dry cough, it is best to chew one chewable tablet of montelukast sodium before going to bed and adhere to the treatment for three months to six months, which is more effective in preventing allergic dry cough.