Intravenous general anesthesia the anesthetic is injected from inside the vein. Intravenous general anesthesia is clinically known as intravenous general anesthesia intravenous, refers to the intravenous general anesthesia drugs injected into the vein, through the blood circulation on the central nervous system, and produce a general anesthetic effect of a method. Intravenous general anesthesia has a fast onset of action and strong effectiveness, and after a brachycephalic circulation time, the anesthetic effect can be exerted. Moreover, the implementation of intravenous general anesthesia is relatively simple, the requirements for drug infusion equipment are not high, and the types of drugs are also more complete, according to different medical conditions and the patient’s physical condition to choose the appropriate drugs with. The process of intravenous general anesthesia will inhibit the patient’s respiratory system and circulatory system, so the anesthesiologist should carry out relevant treatment to ensure that the patient’s vital signs are stable.