In our daily life we often see a high number of people suffering from periodontal disease, and many patients often have to have their affected teeth extracted due to periodontal disease, which leads to bleeding gums, pus in the gingival sulcus, and loose teeth. Periodontal disease is the most common oral disease. It is a disorder that occurs in the periodontal tissues including gums, periodontal membrane, dental bone and alveolar bone. Early patients have no conscious symptoms or symptoms are light, easy to be ignored by patients, let it continue to exist and develop on its own, when the patient symptoms are obvious and seek medical attention, periodontal disease has often entered the advanced stage, seriously affect chewing. Therefore, we should improve oral hygiene and health care, and eliminate the local factors that cause periodontal disease.