Is it a cold cough or a hot cough

The patient's sputum is yellow and thick, often accompanied by expectoration. If the patient is attacked by heat and evil, it can cause hot cough. The patient's sputum is often yellow and thick

. In addition, it can also be accompanied by yellow tongue coating, throat redness and swelling.

2. The sputum is

clean and sparse. If the

patient is attacked by cold evil at night, it can cause cold cough. The sputum is usually clear and white, and the sputum volume is relatively rare. In addition, the patient's tongue coating is often white, which can be accompanied by fever and headache.