1. Drink plenty of water: keeping enough water helps to dilute mucus and relieve cough symptoms.

2. Use a humidifier: Using a humidifier indoors can increase the humidity in the air, reduce throat dryness and irritation, and thus relieve cough symptoms.

3. Take a warm bath or hot compress: Taking a warm bath or hot compress can relieve muscles and pain, thus relieving cough symptoms.

4. Taking drugs: You can use some over-the-counter drugs to relieve cough symptoms, such as cough syrup and cough tablets. However, attention should be paid to the dosage and usage of the drug, and it is best to use it under the guidance of a doctor.

5. Dietotherapy: You can eat some foods with lung moistening and cough relieving effects, such as pears, honey and grapefruit.

6. Avoid irritating substances: avoid smoking, contact with chemicals and other irritating substances, so as not to aggravate cough symptoms.