Protecting your teeth can be done through chewing habits, dental hygiene, food nutrition, and not picking your teeth too often. 1. Chewing habits: to learn to develop the correct chewing habits, eating to chew on both sides alternately, to change the bad habits of unilateral chewing, is conducive to the protection of dental health. 2. Dental hygiene: usually pay attention to oral and dental hygiene, develop a good habit of brushing teeth in the morning and evening, rinse your mouth with warm water after meals, choose the right toothbrush and toothpaste, etc., and don’t eat anything before going to bed, especially sweet food. 3. Food nutrition: take food reasonably, add more vegetables, food containing more calcium, do not eat spicy and stimulating food, to protect the health of teeth. 4. Don’t pick your teeth often: don’t pick your teeth often after eating, often picking your teeth will make the gap between the teeth increase, food residues will accumulate, accelerate bacterial growth, not conducive to dental health. Pay attention to the reasonable protection of teeth, teeth abnormalities should be timely medical treatment.