Excessive stress can potentially lead to oral flora dysbiosis. Excessive tension is due to the long-term existence of mental factors and thus lead to mental stress, mental stress will generally cause the body’s immune system to reduce, oral flora dysbiosis and other symptoms, and oral flora dysbiosis will appear candida infection, with the aggravation of the disease will appear painful symptoms. Oral flora dysbiosis can be relieved through dietary adjustments, patients can consume more protein, fiber, vitamins and other nutrient-rich foods, fiber is conducive to removing oral debris to maintain oral freshness, and should also be appropriate activities to enhance the body’s resistance. Oral flora dysbiosis may also be related to the use of large amounts of antibiotics, it is recommended that patients with oral flora dysbiosis actively go to the hospital for diagnosis and treatment.