Compared with other dental clinical medical programs, orthodontics has more special features. Patients should pay enough attention to this and understand, but also need to know the following seven things: 1, orthodontic treatment is a long-term gradual process, the need for patients to actively cooperate with the doctor’s treatment. Each process must strictly follow the doctor’s instructions, to regular follow-up. 2, orthodontic treatment is an investment in health and beauty, different from the purchase of a commodity, its cost due to the level of deformity, the type of orthodontic appliances, patients with the level of cooperation, age, course of treatment and other elements and different. Patients need to be well-prepared before treatment. 3.Doctors take into account the patient’s requirements, health, aesthetics, function and other elements when designing the program, but may not be able to fully satisfy all the patient’s requirements and special hobbies. 4, orthodontic design is in the early stage of orthodontic treatment to determine a good, once the start of orthodontic treatment, the patient can not be amended arbitrarily in the middle. 5.When wearing orthodontic appliances for the first time, the teeth will show mild reactive pain or discomfort, generally in two or three days or so discomfort will be reduced. If the pain is not reduced but aggravated or other conditions are presented, it is necessary to contact the doctor in time for consultation. 6.Patients wearing orthodontic appliances should pay special attention to oral hygiene. In the morning, in the evening and after eating must be brushed, to the teeth on the soft dirt and retained food debris carefully brushed clean, otherwise easy to form gingivitis, periodontitis, dental decalcification and dental caries and affect the orthodontic process. 7, in the process of orthodontic treatment, as little as possible to eat too hard, too sticky food, large pieces of food must be made small before eating (such as apples), in order to prevent damage to the orthodontic appliances (no bracket invisible orthodontic treatment in the eating before the need to take down the orthodontic appliances).