9-year-old boy always clear throat may be drinking too little water, long-term consumption of spicy food and other physiological factors lead to throat dryness caused by, may also be suffering from chronic laryngitis, pediatric Tourette Syndrome and other diseases lead to. 1. Physiological factors: usually drink less water, often shouting, long-term like spicy and stimulating diet and other physiological factors, may lead to throat dryness and pharyngeal foreign body sensation and other throat discomfort, so that the child is always clearing his throat. 2. Chronic pharyngolaryngitis: chronic pharyngolaryngolaryngitis often occurs when there is an increase in secretions in the throat, the throat is stimulated by inflammatory secretions and discomfort, which can be manifested as itching in the throat, foreign body sensation, dryness, tingling, and other symptoms, so the child will always be clearing his throat to help alleviate the discomfort. 3. Pediatric Tourette Syndrome: Pediatric Tourette Syndrome is a chronic neuropsychiatric disorder that occurs mostly in boys. Children with Tourette’s syndrome have recurrent involuntary multi-site twitching, accompanied by obsessive-compulsive disorder (OCD) or attention deficit and hyperactivity disorder (ADHD), which can be manifested as frequent throat clearing, blinking, nose sucking, shrugging and shaking of the shoulders, and other involuntary symptoms. It is recommended to go to the hospital in time after ruling out physiological factors, so that the doctor can clarify the causes of throat clearing and provide treatment for the causes.