Throat odor putrid smell seen in chronic tonsillitis, sinusitis, oral ulcers and other diseases. 1. Chronic tonsillitis: long-term chronic tonsillitis usually leads to recurrent sore throat, foreign body sensation and other symptoms, and often discharged from the mouth cheese-like, foul-smelling particles. 2. Sinusitis: The reason for the foul odor of sinusitis is that after bacterial infection, anaerobic bacteria are retained in the sinus cavity, and the pus from the sinus cavity flows out to the throat. 3. Mouth ulcers: long-term oral hygiene cleaning is not in place, easy to make the oral cavity in the bacterial growth, so that the mucous membrane infection, ulcers, will also lead to the oral cavity has a fishy odor. In addition, the throat has a bad smell putrid smell, there may be malignant tumors of the throat caused, it is recommended that the patient promptly consult a doctor to check the cause and condition, and actively cooperate with the doctor’s treatment.