Conclusions Using film-sonication method can prepare liposome with high entrapment efficiency and uniform size distribution.There are no obvious difference between liposome and proliposome.

• 结论 采用薄膜分散-超声法能够制备出包封率较高、粒径比较均匀的脂质体，经冷冻干燥后，其各项性质没有明显的变化。