Baihui point Baihui point, first seen in the Classic of Acupuncture and Moxibustion A and B, belongs to the Du meridian, and is also called "Sanyang". "On Ai Cai" says: "Three yang and five meetings, five for words", which means that hundreds of veins meet here. Baimaihui is the master of all diseases, so Baihui point has many treatment methods for diseases and is one of the commonly used acupuncture points in clinic. Location: the intersection of the head center line and the connecting line between the two ear tips. Meridian: the Du meridian, where the three yang of hands and feet meet with the Du meridian, was hit in the brain and fainted. 1. Physiological characteristics: the acupoint is located at the top of the top and connected with the brain: Baihui point is located at the top of the top, and its depth is where the brain is; Baihui is the meridian point of Du meridian, which belongs to the brain. In addition, according to the theory of "Qi Street", "Qi in the head has a street" and "Qi in the head stops at the brain" (Ling Shu Wei Qi), that is, all qi flowing to the head (hands and feet) is related to the brain. According to the "Four Seas" theory, "the brain is the marrow sea". Yang Shangshan noticed that "gastric juice penetrates into the bone gap and becomes pulp, with the most head, so it is the sea." Born by the kidney, its qi is transmitted to the Baihui point of the brain cover and also to the Fengfu. "It can be seen that Baihui point is closely related to the brain and is an important acupoint for regulating brain function. A hundred veins intersect throughout the body. The head is the meeting of all yang, the Sect of all veins, and Baihui point is the place where all meridians meet. Acupoints belong to yang, and yang contains yin, so they can connect the veins of yin and yang and connect the meridians of the whole body, which plays an important role in regulating the balance of yin and yang in the body. 2. Scope of treatment: treatment of syncope and sudden stroke. In modern times, it is often combined with Quchi, Zusanli, Sanyinjiao and Taichong to treat hypertension, dizziness and vascular headache. Tranquilize the nerves: treat palpitation, insomnia, forgetfulness and other diseases. Modern acupuncture points such as Fengchi, Neiguan, Shenmen and Sanyinjiao are often combined to treat neurasthenia, arrhythmia and other diseases. Ascending yang to relieve depression: treating proctoptosis, diarrhea and other diseases. In modern times, it is often combined with Changqiang point to treat proctoptosis; Combining Qi Hai and Guan Yuan to treat Yin Ting; Treating chronic diarrhea by combining Pishu and Shenshu points; Treatment of enuresis with Tang Yin and Sanyinjiao. Dredging du and treating epilepsy: treating madness and treating epilepsy. Modern medicine is often combined with Dazhui, Renzhong, Shenting and Shenmen to treat schizophrenia and epilepsy. 3. Modern research shows that acupuncture at Baihui Touqu, Qianshencong and Li Xuan points can improve the hemorheological indexes of patients and restore brain tissue cells to some extent. Stimulating Baihui, Ding Qian, Sishencong and other acupoints has a good regulating effect on the bioelectric activity of cerebral cortex center in patients with stroke and hemiplegia. The oxygen content and blood flow in brain tissue of headache patients decreased obviously, while the oxygen hemoglobin saturation and blood flow in brain tissue increased after acupuncture, thus achieving the effect of dredging collaterals and relieving pain.