Pinching and puffing the nose is used clinically to relieve diseases related to eustachian tube malfunction and secretory otitis media. This operation is relatively simple, first take a deep breath, then close your mouth, pinch your nose, hold your breath, and then blow into the nasal cavity with slight force like blowing your nose, you will feel the swelling of the pharynx as well as the ear, which is mainly the feeling of airflow from the nasal cavity and nasopharynx entering the tympanic chamber through the eustachian tube. If the patient’s eustachian tube function is still OK, he will feel a thumping sound in the tympanic membrane. If the pharyngeal tube function is very poor or if the eustachian tube is occluded, this sound will be absent. This operation can check whether the function of the eustachian tube is smooth and can also play a certain therapeutic effect, but the patient should not do it too hard to avoid causing perforation of the eardrum.