Drooling a lot with braces may be caused by oral irritation. Wearing braces saliva is caused by oral stimulation, because braces have the effect of correcting and straightening the teeth, at this time, more braces in the mouth is easy to form the stimulation of saliva, which in turn causes increased drooling. Wearing braces is easy to cause dental calculus, plaque and other undesirable conditions, due to the stimulation of such undesirable conditions, some orthodontists may have increased saliva secretion, drooling and other manifestations. Braces patients must pay attention to timely rinsing or brushing after daily diet to reduce the breeding of oral bacteria, food should also pay attention to the choice of easy to digest, easy to chew mainly, so as to avoid stimulation of teeth or braces. It is possible that the braces do not fit properly, it is recommended that the braces be replaced under the guidance of the doctor after a second visit, so as to avoid such a situation.