The mouth stinks, sleep drooling may be physiological factors (such as poor oral hygiene, etc.), may also be due to oral infections, chronic tonsillitis with tonsil stones and other pathologic factors, according to the different causes of the disease, to take general treatment, amoxicillin and other medications, and if necessary, can be surgical treatment, and so on. 1. Physiological factors: usually do not pay attention to oral hygiene, while sleeping habits is to sleep with the mouth open, it is possible that the mouth stinks sleep drooling. Keep your mouth clean and sleep with your mouth closed. 2. Oral infection: oral mucosal ulcers, gingivitis, etc. can lead to mouth odor, drooling. Oral ulcers can be taken orally some vitamin tablets, appropriate supplementation of zinc; gingivitis can be used for periodontal therapy anti-inflammatory, while the stomatology clinic to find out the specifics. 3. Chronic tonsillitis with tonsil stones: due to repeated episodes of chronic tonsillitis, resulting in tonsil stones. Tonsil stones have a bad odor. During acute attacks, due to the swelling of the tonsils, it is often necessary to open the mouth to breathe. During acute attacks, anti-inflammatory drugs such as amoxicillin are needed, and tonsil stones can be carefully removed by yourself with tweezers. Repeated episodes of tonsillitis, especially when accompanied by respiratory obstruction, can be considered for removal. Mouth odor sleep drooling may also be atrophic rhinitis, etc., it is recommended to consult a doctor in a timely manner, improve the examination, timely treatment. The above medication is in accordance with the doctor’s prescription.