2. Proper exercise, reducing stress and maintaining a happy and relaxed mood can not only enhance immunity, prevent colds, but also reduce the formation of excessive internal heat.

3, friends with chronic diseases should follow the doctor's advice, take medicine on time, make the condition stable, in order to avoid evil heat.

4. Take heat-clearing and detoxicating drugs, such as Scutellaria baicalensis Georgi, Coptidis Rhizoma, Cortex Phellodendri, Fructus Gardeniae, etc. Used for internal heat of internal organs or different parts. However, these Chinese medicines still need to be prescribed by professional Chinese medicine practitioners to avoid adverse side effects caused by eating by mistake.