Opening four points has the effect of coordinating yin and yang, harmonizing qi and blood, and can treat dizziness, facial paralysis, post-stroke symptoms, dysmenorrhea, pediatric convulsions (pediatric diseases with dizziness, apoplexy, and convulsions as the main manifestations), headache, abdominal pain and other diseases. There are many acupoints on the limbs of the human body, among which the Hegu and Taichong acupoints echo each other, matching yin and yang, just like the four guards at the end of the human body’s limbs, one on each side, which is also known as the “Four Guan Points”. Opening these points can treat dizziness, facial paralysis, facial muscle spasm, depression, high blood pressure, and the after-effects of stroke. It can also be used to treat dysmenorrhea and menstrual disorders caused by liver depression. Kai Si Guan acupoint can treat pediatric tic evidence, pediatric convulsions, etc. When discomfort occurs, one should consult a doctor in time and choose the appropriate treatment under the guidance of the physician’s diagnosis, and should not operate on one’s own in order to avoid delaying the condition.