The children’s spray is mainly used to treat acute laryngitis, acute tonsillitis, herpes pharyngitis, gum swelling, mouth ulcers and other related diseases. It is mainly sprayed on the affected area, the so-called affected area, pharyngitis mainly refers to the back wall of the pharynx, tongue root, tonsillitis mainly refers to the surface of the tonsils, gum swelling mainly sprayed on the surface of the gums, mouth ulcers sprayed on the surface of the ulcer. Clinically, when spraying right at the affected area can achieve better therapeutic effects, so that the drug is more fully absorbed, generally a spray 1-3, spray too much easily into the trachea, inducing patients to choking and coughing and other side effects, the number of times a day according to the severity of the patient’s lesions to decide, it is best to decide the number of times to spray under the guidance of a clinician is good. Clinically, this drug may induce allergy in individual patients, the possibility of choking and coughing, the possibility is relatively small, the clinical need to do a good job of observation.