There are two aspects to smell in traditional Chinese medicine. The main aspect is to listen to changes in the patient's breath, such as speaking, breathing speed, urgency, strength, clearness, turbidity, height, etc.; the other aspect is to smell, that is, smell, the smell of the patient's body.

The question is to ask about the patient’s condition, such as what the symptoms are, how long the illness has been, how the patient is eating, etc.