Dental implant patients can drink a small amount of appropriate tea, and it is recommended to maintain oral hygiene and regular cleaning. Dental implants are mainly fixed in the jawbone of the oral cavity by the principle of osseointegration, in which peri-implantitis is one of the common causes of implant failure. Patients who drink tea for a long time are prone to hyperpigmentation, which affects aesthetics and also causes bacteria to adhere and gather, and oral hygiene to deteriorate, leading to peri-implantitis, and ultimately loosening of the implant and implant failure. Therefore, everything should be measured, it is recommended to drink tea in moderation, pay attention to oral hygiene, and regularly go to the regular hospital stomatology supragingival cleaning to remove oral plaque and pigmentation, to extend the service life of the implant.