Headache, dizziness and vomiting after general anesthesia surgery is a common complication after general anesthesia, which is related to the anesthesia drugs, the type of surgery and the patient’s condition. 1. Anesthesia drugs: such as inhalation anesthetics, the most commonly used inhalation anesthetics is sevoflurane, the incidence of postoperative headache dizziness and vomiting is relatively common. Intravenous anesthetics such as fentanyl, etomidate, ketamine, etc., the above symptoms also occur after surgery, related to the residual effect of general anesthesia drugs. 2. Type of surgery: such as gastrointestinal surgery, postoperative gastrointestinal mucosal edema, gastrointestinal peristalsis is weakened or even disappeared, resulting in gastric retention and vomiting; head surgery is prone to local tissue congestion and edema, there may be headache and dizziness. 3. Patient conditions: such as preoperative in the stomach full, intestinal obstruction and placement of gastrointestinal decompression tube patients, after surgery is also often prone to vomiting; there are basic diseases such as hypertension patients, general anesthesia after surgery, blood pressure instability, headache and dizziness may occur. After general anesthesia surgery headache, dizziness, vomiting, it is recommended to let the patient’s head to the side, to ensure that the airway is clear, to avoid the vomitus into the airway to affect the respiratory impact, or even cause the patient to asphyxiation, resulting in death. It is also necessary to use suction to attract vomit in time, analyze the reason why the patient vomits, and give antiemetic drugs or gastrointestinal decompression treatment. General anesthesia after surgery headache, dizziness, vomiting, if the persistence of unrelieved, it is recommended to timely consult a specialist to find out the causes, intervention and treatment to avoid serious consequences.