If you have a dry cough, you can first use cough medicines to relieve the symptoms of dry cough. For adults, you can use compound licorice combination, for children, you can use fenugreek syrup, and for adults, you can also use permethrin cough syrup, which is more effective in treating dry cough. Secondly, we need to find the cause of dry cough for targeted treatment. If laryngitis or mycoplasma pneumoniae causes a dry cough, anti-inflammatory treatment is needed, for example, in the case of laryngitis, it is recommended to take Pudilan Anti-inflammatory Oral Liquid orally. In case of mycoplasma infection, oral azithromycin is recommended for anti-inflammatory treatment, which is good for relieving dry cough. Dry cough caused by allergies can also be excluded, and anti-allergy medication is needed to relieve the symptoms of dry cough, such as loratadine or paracetamol. In children, dexloratadine can be used to relieve dry cough symptoms. When dry cough occurs, cough variant asthma cannot be ruled out, and inhalation of Symbicort is needed to relieve the symptoms.