The sensation of a pulling sensation when opening the mouth can be caused by improper oral hygiene, thrush and chronic pharyngitis. 1. Improper oral hygiene: Due to the consumption of spicy and irritating foods and inadequate oral hygiene, sputum will gather and form a filament. Patients should pay attention to maintaining oral hygiene and cleanliness, changing bad eating habits, avoiding spicy and stimulating, greasy food, general symptoms can be relieved. 2. Thrush: due to the infection of Candida caused by the oral mucosa appear milky white film, from the surface of the tongue after shedding caused by opening the mouth to appear white sticky strips of filamentous material. Patients can follow the doctor’s instructions to take drugs such as fluconazole, mycotoxin and other antifungal treatment. 3. Chronic pharyngitis: due to chronic inflammation of the respiratory tract leads to phlegm viscous, accumulation of white filaments. Patients can use compound borax solution, furacilin solution, 2% of the boric acid solution gargle to keep the mouth clean, and can follow the doctor’s instructions to take drugs such as compound iodine glycerin, 5% silver nitrate solution for anti-inflammatory. If the symptom of feeling a wire-like substance when opening the mouth persists without relief, it is necessary to make timely diagnosis and treatment to avoid delaying the condition.