Black stains on the back of the teeth can be removed by general measures of conditioning, and scaling is needed if necessary. It is recommended to develop regular brushing habits, need to brush your teeth twice in the morning and evening, when brushing can remove the surface dirt of the teeth. In addition, there is black dirt behind the teeth can use the scaler to scrape the black dirt on the surface of the teeth, or through the ultrasonic scaling, which can be able to remove the adherence to the teeth above the calculus and plaque. Alternatively, sandblasting is used to remove black stains from the teeth. It is recommended that if the black stains on the back of the teeth cannot be removed on their own, the patient needs to consult a doctor in time, who will choose the appropriate measures to treat the patient’s condition.