There is no fruit that people with periodontitis can’t eat, as long as they pay attention to brushing their teeth and rinsing their mouths after eating to maintain good oral hygiene. Periodontitis is a relatively common oral disease in people’s daily life, which is a chronic inflammation caused by the bacteria in plaque invading the periodontal tissues. Among the local causative factors of periodontitis, plaque is the most important causative factor, while smoking is a high-risk factor among the systemic factors. Therefore, patients with periodontitis, usually pay more attention to oral hygiene, pay attention to a balanced diet, crude fiber food is conducive to the cleaning of the tooth surface, regular dental checkups, smoking cessation and so on. However, there is no clear regulation on the limitation of fruits, as long as you pay attention to brush your teeth carefully after eating fruits, rinse your mouth and maintain good oral hygiene.