There is no specific time limit for the second anesthesia after general anesthesia. There are differences in the time to perform the second one because individuals have different abilities to metabolize anesthesia. It is recommended that this be done under the guidance of an anesthesiologist. The second anesthesia can be performed as long as the anesthesia drug is completely metabolized, there is no numbness in the body, the breathing is normal, and the consciousness is awake. Nowadays, the anesthesia technology is more mature, and the anesthesiologist’s second anesthesia can be performed on the basis of the first anesthesia according to the patient’s condition. The second anesthesia will not add other drugs because of the second anesthesia, and it will not have a bad effect on the patient. Each general anesthesia has certain risks and physical damage, so it is still recommended to minimize the number of anesthesia.