1.Otorhinolaryngology system diseases: Tinnitus, deafness, toothache; 2. Others: Periarthritis of the shoulder, scapular pain, inability to raise the arm, upper limb numbness, tuberculous lymphadenitis, sequelae of cerebrovascular diseases, cervical lymph node tuberculosis, headache, etc.

Behind and below the shoulder joint, when the arm is adducted, the acupoint is located 1 cun above the posterior axillary fold. (This acupoint is paired, one on each side)

Step 1: Sit upright with shoulders relaxed and upper arms adducted.
Step 2: Measure one transverse finger width upward from the posterior axillary fold, which is the location of this acupoint.