Indications: Tonsillitis, Tonsillectomy, Laryngitis, Mumps, Shoulder and Arm Pain.

Acupoint selection: point a point on the connecting line between the lateral ankle tip and the high bone outside the knee, another point between the middle point and the middle part of the high bone, and another point between the middle point and the middle part of the lateral ankle. * * * Three points.

Principle and application demonstration:

1. External three passes act on the lung, mainly used to treat tonsillitis, laryngitis, mumps, etc. It is also effective for acne.

2. Guanzhong point in the outer three meridians is close to Zuwujin point, which can cure dermatosis and shoulder pain.

3. External three passes can also treat hand edema, arm edema and fever, elbow pain and trigeminal neuralgia.