Objective:To optimize formulation and preparation technology of chlorin e6(Ce6) magnetic sound sensitive nano-liposomes,and establish its quality evaluation method.Method:The liposomes was prepared by thin film dispersion-vacuum freeze drying technique,taking encapsulation efficiency as index,orthogonal test was adopted to investigate effects of types of organic phase,hydration medium,temperature and time on preparation technology and effects of ratio of lecithin-cholesterol,ratio of lecithin-Ce6,ratio of C...