The present invention relates to a delivery body of a vaginal lubrication drug and, more specifically, to an amphiphilic polymer micelle for delivering a drug to a vaginal mucosa, and a micelle-drug complex containing retinoic acid encapsulated therein to control moisture and glycerol secretion of a vaginal mucosa epithelium. The present invention effectively delivers a drug to the vaginal mucosa, thereby improving moisturizing and lubricating ability of the vaginal mucosa, and manufacturing a sustained-release dosage formulation having an increased time of a pharmaceutic effect. Thus, the present invention can be very useful for treating colpoxerosis or vaginal atrophy.COPYRIGHT KIPO 2017본 발명은 질윤활용 약물의 전달체에 관한 것으로, 보다 구체적으로는 질점막에 약물을 전달하기 위한 양친성 고분자 미셀 및 이에 질점막상피의 수분 및 글리세롤 분비를 조절하는 레티노산을 봉입한 미셀-약물 복합체에 관한 것이다.