Bad breath with small particles in the throat may be some kind of physiological phenomenon, but also may be the manifestation of certain diseases, such as tonsillitis, chronic pharyngitis and so on. You should consult the doctor in time to clarify the cause of the disease, and if necessary, carry out the appropriate treatment. 1. Physiological causes: It may be due to the patient’s frequent inhalation of dust, smoking, poor oral hygiene, etc., can cause bad breath with small particles in the throat this phenomenon occurs. If this phenomenon does not occur frequently, generally do not need special treatment. 2. Pathologic causes: (1) tonsillitis: the tonsils have a certain secretion function, and tonsillitis is usually caused by bacteria or viruses, so if the tonsils are often inflamed, there may be stones inside the scar of the tonsils, which can lead to small particles in the throat, while the stones will emit a foul odor, resulting in bad breath. (2) Chronic pharyngitis: patients with chronic pharyngitis are prone to stone formation in the tonsils due to inflammation of the throat, leading to small particles in the throat and bad breath. If you exclude physiological reasons, you should go to the hospital in time to clarify the cause of the disease, and if necessary, carry out the appropriate treatment.