If the patient has a dry cough all the time, he can be treated by the following methods: 1. If the dry cough is caused by throat discomfort, it can be treated by taking throat-clearing granules and watermelon cream throat tablets. 2. If the cough is due to allergic coughing caused by contact with allergens, it can be treated with oral inhalation of salbutamol aerosol, along with hormonal drugs such as dexamethasone or prednisone, and active search for allergens and prohibition of contact with allergens. 4.