Confusion after surgery is commonly caused by the following reasons: First, anesthetic is not metabolized completely, the metabolism of anesthetic needs a period of time after surgery, don’t worry too much, with the extension of time, the patient’s state can gradually improve, but also can be appropriate infusion for treatment, in order to promote the blood circulation, accelerate the metabolism of anesthesia. Second, the blood pressure is low or high, because the blood pressure is too high or too low will affect the cranial nerves, which need to further measure the blood routine, blood pressure and so on to make clear, and according to the indicators to give the appropriate drugs for treatment. Thirdly, in some serious cases, such as cerebral infarction, cerebral hemorrhage, etc., it is necessary to carry out corresponding physical examination, check the CT of the head, MRI of the head, etc. to clarify the cause of the disease. In conclusion, if there is any obvious discomfort after the surgery, it is necessary to consult and communicate with the attending physician in time.