This statement of the magical efficacy and function of the fish interstices is inappropriate. The fish refers to the fish head point, its effect is to clear the lungs and drain heat, diuretic pharyngeal pain, for the treatment of coughing and hemoptysis, pharyngeal swelling and pain, fever, dysphonia, pediatric chancre (a kind of children’s chronic disease, manifested as a form of emaciation, eating abnormalities, abdominal distension, thinning and yellowing of the hair, etc.), wrist and palm pain, and so on. Yuji is an acupoint of the Taiyin Lung meridian of the hand, located on the outer side of the hand, at the midpoint of the radial side of the 1st metacarpal bone, at the point where the red and white flesh intersects (the junction between the heart of the hand and the back of the hand, and the heart of the foot and the back of the foot). Clinical applications of this point include: treating cough with Daxi point, Hegu point, Waiguan point, and Liejiao point; treating hemoptysis with Shakuzawa point, Taiyuan point, Lung Yu point, Diaphragm Yu point, and Sanyinjiao point; treating sore throat with Taixi point and Zhaohai point; treating dysphagia with Gou point, Maijie point, Shenmen point, Rangu point, Lung Yu point, and Kidney Yu point, and so on. If you need to perform needling at the Fish Point, it should be done by a professional doctor, not by yourself.