Indications: Vertebral flash pain, lumbago and leg pain, neck muscle pain, neck torsion insufficiency, brain bone swelling and hydrocephalus.

Acupoint selection: center of heel tendon, three inches and five minutes away from sole.

Principle and application demonstration:

1. The Zheng Jin point is located on the ankle, and the hologram corresponds to the neck, which is very effective for treating neck diseases.

2. Achene key is inserted into Zheng Jin acupoint, and the effect of tendon treatment is excellent.

3. The function of Zheng Jin point is the function of kidney, so it can tonify kidney and treat head diseases.

4. Treating tendons with tendons can also cure cramps, stomachaches, cramps and leg cramps.