Indications: bronchitis, yellow sputum, chest tightness, heartbeat, knee pain, intestinal gas, hernia, canthus pain and enteritis.

Acupoint selection: supine, palm up, take the upper part of the first section of the index finger, and the upper part of the big point is the point.

Principle and application:

1. This point is located on the index finger side and on the large intestine meridian, which can treat enteritis, large intestine and lung exterior and interior. Therefore, it can treat bronchitis, yellow phlegm, chest tightness and bronchiectasis.

2. Through "the large intestine is connected with the liver", small intestine gas, hernia and canthus pain can be cured. The corresponding application relationship is similar to Dajian point.

This can also treat palpitation and knee pain.

4. This point is shallow in treating heart and lung diseases, deep and far in acupuncture, and can be used for treating intestinal gas, hernia and knee joint pain.