Throat-opening sword spray is commonly used in clinical practice to treat laryngitis with definite results. Relatively speaking, it is more effective for chronic laryngitis, and acute laryngitis needs to be treated together with antibiotics. It is widely used in dentistry, otorhinolaryngology, respiratory medicine, including pediatrics. It can be used if the patient has pharyngitis, tonsillitis, gingivitis or mouth ulcers. Try to spray the medicine directly to the affected area, which can effectively reduce the patient’s pain, and the condition will improve after a week of regular medication. It is recommended to use the medicine in the mouth for a while after spraying, to avoid swallowing or spitting out the medicine directly, which is not conducive to the full effect of the medicine.