General anesthesia generally refers to general anesthesia, general anesthesia can immediately fall asleep because the anesthetic inhalation through the respiratory tract or intravenous, intramuscular injection into the body, producing central nervous system inhibition, clinical manifestations of loss of consciousness, loss of generalized pain, amnesia, reflex inhibition and a certain degree of muscle relaxation. The degree of CNS depression by anesthetics is related to the concentration of the drug in the blood and can be modulated. This inhibition is completely reversible, when the drug is metabolized or excreted from the body, the patient’s consciousness and various reflexes gradually recovered. It is recommended that patients choose regular hospitals for general anesthesia surgery, and standardized treatment under the guidance of doctors.