Symptoms of dry mouth syndrome mainly include dry mouth, dry tongue, mucous membrane pain, dry and cracked lips. Dry mouth is a subjective feeling, some patients may have a dry mouth, dry and cracked lips symptoms, but also dry and red oral mucosa, increased secretion, burning sensation of the oral mucosa, difficulty in swallowing and other symptoms. After the appearance of dry mouth needs timely medical examination, if the treatment is not timely may lead to complications, such as periodontal disease, chewing and swallowing difficulties. Clinically, dry mouth can be treated with medication under the guidance of a doctor, such as pilocarpine and artificial saliva. Usually need regular medical review, it is best not to often delay treatment time.