After the cleaning of teeth generally pay attention to diet, daily care, do not stimulate the gums and other matters. 1. Diet: Avoid spicy and stimulating food, which can cause bleeding gums, and eat less coarse fiber food, which may cause toothache and gingivitis. Do not consume hard food which may cause tooth breakage. Consume more food containing vitamin C, which can prevent bleeding gums. 2. Daily care: pay attention to oral hygiene after cleaning, do brush your teeth after meals to avoid residual food damage to the periodontal tissue health. 3. Do not stimulate the gums: after cleaning patients should pay attention to do not vigorously suck and lick the gums, and avoid touching the gums, so as not to cause bleeding gums. It is recommended that patients avoid eating too cold and too hot food after cleaning, and eat a light diet, and it is recommended that patients take care of themselves under the guidance of a doctor.