Precautions for anesthesia for hypertrophic cardiomyopathy include: i. Close monitoring of electrocardiogram and cardiac monitoring are needed to prevent arrhythmia and cardiac arrest during anesthesia. Second, hypertrophic cardiomyopathy anesthesia need to pay attention to the dose, according to the patient’s weight or body surface area to calculate the dose of narcotic drugs. Third, hypertrophic cardiomyopathy anesthesia, but also need to monitor the blood oxygen saturation, if necessary, in advance to start low-flow oxygen. Fourth, hypertrophic cardiomyopathy anesthesia also need to pay attention to the observation of blood pressure changes, in order to prevent the emergence of anaphylactic shock and life-threatening. Fifth, hypertrophic cardiomyopathy anesthesia before the need to assess the patient’s general vital signs and routine laboratory tests, and routine examination of whether suitable for anesthesia and surgery. Six, hypertrophic cardiomyopathy patients perioperative attention to access balance, anesthesia awake, need to assess the patient’s general condition again.