Orthodontic treatment precautions can be considered from the following aspects: 1, to grasp the indications for orthodontic treatment, that is, to exclude the contraindications; 2, orthodontic before the patient must be the whole environment of the oral health, to do a good job of orthodontic treatment before the preparations, including the treatment of dental caries and periodontal disease treatment, to ensure that the whole oral environment is healthy, can be carried out orthodontic treatment; 3, has begun to enter the orthodontic treatment, after the Precautions will be explained to the patient, to do a good job of oral hygiene self-maintenance, to brush your teeth. After wearing orthodontic appliances, brushing becomes more difficult, will advise patients to use toothpicks or large pieces of food debris hidden in the orthodontic appliances to clear off, and then use the usual toothbrush to brush the teeth. If it is a very small place will explain to use interdental brush, or have special orthodontic treatment with dental floss can also be used, there can be used to assist the flosser to maintain oral hygiene, the above is the most important note; 4, explain to the patient to eat to pay close attention to the large pieces of small pieces, hard to soft, is to avoid orthodontic bracket bite loose, and then have to go back to paste to increase the obstacles.