The invention provides a surface
anesthetic with
oral mucosa adhesiveness, salivation resistance and taste improvement effects and a preparation method of the surface
anesthetic, and belongs to the technical field of anesthetics. The surface
anesthetic provided by the invention comprises
tetracaine hydrochloride,
glycopyrronium bromide and an auxiliary material, and the auxiliary material comprises a
drug entrapment auxiliary material. Compared with caine anesthetics used clinically, the surface anesthetic provided by the invention has multiple functions of salivation resistance, good
mucous membrane adhesiveness and improved taste, not only improves the
drug effect, but also increases the medication compliance, and has great clinical application value.