The precautions before wisdom teeth extraction mainly include controlling systemic systemic diseases, women should avoid menstruation and pregnancy, prepare psychologically, and eat before going. 1. Control systemic systemic diseases: If you have systemic systemic diseases, such as hypertension and diabetes, it is generally recommended to take medication before going. And inform the doctor of the specific situation. 2. Women should avoid menstruation and pregnancy: menstruation and pregnancy are generally not recommended for tooth extraction. 3. Be psychologically prepared:Listen to the doctor’s instructions, treatment plan, without too much fear and anxiety, be psychologically prepared. 4. Eating: tooth extraction requires anesthesia, and 2 hours after extraction is not recommended to eat, so it is recommended to eat before extraction. Precautions before wisdom teeth extraction specifically recommended to consult a professional doctor.