Tetracaine hydrochloride was a common used local anesthetic.It was good at strength of penetration and diffusibility. It mainly used on endometrium quickly but it can't stay long local anesthetic time. Because of its toxicity and these disadvantages, we hoped to develop a new dosage form with longer local anesthetic time and less disadvantages. We prepared tetracaine hydrochloride to liposome gel.The results suggested that the liposome gel be stabilizer than liposome, more convenient to patients and hold lo...