Chengshan, the name of the acupoint. Publish 'Ling Shu: Wei Qi'. Also known as fish belly, meat pillar, and wounded mountain. To bear, bear, and support. The mountain is a pile of earth and rock, and the substance inside this cave is spleen soil. The name Chengshan refers to the solidification of spleen soil particles that flow down the bladder meridian through water. The substance in this acupoint is a mixture of spleen soil and water that flows upward along the bladder meridian. After reaching this acupoint, the water evaporates and the dried spleen soil particles settle around the acupoint. The settled spleen soil accumulates like a mountain, hence the name Chengshan.

【 Guijing Positioning 】
Gui Jing: Belongs to the Foot Sun Bladder Meridian.
Positioning: In the middle of the back of the calf, between the Wei Zhong acupoint and the Kunlun acupoint, when the calf is straightened and the heel is lifted, a depression appears under the belly of the gastrocnemius muscle.
【 Functions and Indications 】
Function: Regulating qi and relieving pain, relaxing muscles and activating collaterals, eliminating hemorrhoids.
Indications: Impatience and pain in the waist and legs; Hemorrhoids and constipation; Abdominal pain, hernia, and calf cramps.
Clinical Application
1: The use of Huantiao and Yanglingquan is mainly used to treat lower limb paralysis and rheumatism;
2: Treatment of hemorrhoids with long and strong growth, Baihui, and Erbai.
3: Pei Pu Shen, Jinmen, Chengjin Zhihuo Luan Zhuan Jin
4: Paired mouth, three miles, supporting reinforcement to treat foot heat, cannot stand for long
5: Paired with Zhongzhu, Sanjian, Pianli, Chengjin, Jinggu, Kunlun, Yinbai, Feiyang to treat head heat and bleeding
6: Pei Shen Yu and Wei Zhong treat lumbar and spinal pain. It is commonly used in modern times to treat sciatica, gastrocnemius spasm, hemorrhoids, prolapse, etc.