Chest pain, cough, shortness of breath, wheezing, sore throat and swollen pharynx, vomiting of cold phlegm, swelling and pain in both breasts.

Located on the anterior midline of the human chest, at the level of the 3rd intercostal space.

Supine position. Take an elastic band marked with two equal parts, align the ends of the band with the two nipples, and pull it tight. Push up one rib from the midpoint of the band, and the spot where there is an aching sensation upon pressure is the location of this acupoint.