Description：Propofol is a short-acting intravenous anesthetic. Its anesthetic effect is similar to that of thiopental sodium, but its effect is about 1.8 times stronger. It acts quickly and has a short maintenance time. It has good induction effect, stable action, no chemicalbook excitement, and can control the depth of anesthesia through intravenous infusion or repeated use. There is no significant accumulation. The patient has a clear mind after waking up and can recover quickly. For induction and maintenance of anesthesia.