Patients with chronic pulpitis, after timely and proper treatment, should first of all fast for 2 hours and not drink hot water for 24 hours, and drink fresh juices such as watermelon juice and carrot juice for vitamin supplementation. Secondly, avoid chewing food with the affected side and forbid biting hard objects. At the same time, avoid eating too cold, too hot, spicy, stimulating, greasy food, and less food containing coloring and drinks, such as chocolate, red wine, coffee, etc. In addition, we should reduce the intake of fat, especially animal fat, and try not to eat fatty meat and other foods. In addition to this, after eating, you should rinse your mouth in time and pay attention to oral hygiene to avoid stimulation of teeth in the mouth.