Patients with periodontitis can drink tea, periodontitis is one of the most commonly dealt with diseases in the periodontics of dentistry, periodontitis is a typical clinical symptom is the loss of attachment, gingival recession, alveolar bone resorption, and ultimately lead to the whole mouth of the teeth loosening and even loss. Periodontitis is the primary risk factor for total tooth loss in middle-aged and elderly people, and drinking tea as a traditional Chinese habit, the tea itself contains substances that have a certain relationship with dental caries prevention. However, drinking tea has no direct relationship with periodontitis. Long-term tea drinkers may have tea stains on their teeth, which can be removed by brushing on time every day to remove exogenous coloring substances, and if the tea stains are more, you can consider applying sandblasting to remove them, which has no direct relationship with periodontitis.