People reach for things, lift their legs and walk under the motor nerves of the brain. In addition to the nervous system of the brain that governs movement, there is another set of nervous system that is not directed by people’s mind and consciousness, called the vegetative nerves. The vegetative nerve is in charge of people’s internal organs movement, it automatically makes the heart beat faster and delivers more blood when we exercise, and it makes the blood vessels contract to preserve heat when we are cold. However, there are times when its command is disrupted, such as when it causes continuous vasoconstriction and rapid heartbeat, regardless of whether people need it or not, which manifests as headache, insomnia, panic, shortness of breath, dry stools, and malaise. The stellate ganglion is located on both sides of a person’s neck and is named so because it is shaped like a star. More than 100 years ago, two surgeons inadvertently damaged the stellate ganglion while operating on a patient with a tumor, and something unexpected happened: the patient’s pain was significantly reduced and his whole body improved. The patient’s pain was significantly reduced and his whole body condition was improved. This phenomenon attracted the attention of medical doctors, who began to treat the disease by severing this nerve. Later, a drug injection was used instead of surgical cutting, and this was called a stellate ganglion block. Stellate ganglion block (SGB) can block the sympathetic preganglionic and postganglionic fibers, so the cardiovascular movement, glandular secretion, muscle tone, bronchial contraction and various nerve fibers transmitting nociception under the innervation of these sympathetic ganglia are blocked, which can improve the circulatory disorders, pain hypersensitivity, abnormal sweating, etc. caused by sympathetic overexcitation. Therefore, its clinical indications are quite wide, such as: herpes zoster, burning pain, hyperhidrosis, headache, cerebral vascular spasm, cerebral thrombosis, cerebral infarction, terminal facial nerve paresthesia, trigeminal neuralgia, allergic rhinitis, optic neuritis, corneal ulcer, sudden deafness, tinnitus, vertigo, frozen shoulder, cervical spondylosis, chronic constipation, phantom limb pain, indeterminate cliché syndrome, etc. After decades of research and study, the treatment range of stellate ganglion block is becoming more and more extensive and the therapeutic effect is more definite. In developed countries, SGB accounts for 50% to 80% of all nerve blocks in Japan, and stellate ganglion block in Japan is called the “magic needle”, but it has not been popular in China for a long time. The most critical problem is that the site of stellate ganglion block is special and requires a very skilled physician to perform it. In recent years, the stellate ganglion block technique has become increasingly popular in China, and more and more diseases are treated with stellate ganglion block, such as common diseases: migraine, tension headache, cerebrovascular disease, cervical spondylosis, post-herpetic pain, cardiac neurosis, etc., which are treated with this method with certain efficacy and improved quality of life.