Mouth cracked mouth want fast recovery can be localized application of antibiotic ointment to prevent secondary infection, and then should be removed from the external stimulus such as the correction of poor restorations. 1. Symptomatic treatment. Mouth cracked mouth can appear localized ulceration, there is oozing blood, in order to prevent secondary infection, you can use local chlorhexidine anti-inflammatory solution rinse wet compresses, coated with antibiotic ointment. 2. Treatment of the cause. Cracked mouth may be the body’s lack of water, the need to supplement water; if the trauma is caused by the need to avoid excessive external pulling the corner of the mouth and other undesirable stimuli; if it is caused by vitamin deficiency can be supplemented with vitamin B2, folic acid and other substances. If the situation of dry and cracked mouth still can not be relieved after replenishing water, it is recommended to go to the hospital in time to check whether there are other diseases, the use of medication need to follow the doctor’s instructions.