Each person’s age, weight, gender, race, etc., will result in different physical qualities, including sensitivity to anesthetics. Most people are sensitive to anesthetics, but there are a few patients who are not sensitive to all kinds of anesthetics, and the amount of anesthetics given during surgical procedures needs to be very high, even three or four times the amount used by normal people. This situation may be due to the patient’s own metabolism is relatively fast, or the location of the drug injection problems caused. If you are not sensitive to the anesthetic can be combined treatment, you can also choose general anesthesia to anesthesia.