中文摘要：

脂质体作为药物载体具有提高药物疗效、减轻药物不良反应及靶向作用的特点，常用制备方法主要有薄膜分散法、逆相蒸发法、注入法、超声波分散法等。在制备含药脂质体时，根据药物被装载的机理不同，又可分为被动载药法（Passive Loading）与主动载药法（Active Loading）两大类。

英文摘要：

Describes the current commonly used two types of liposome preparation methods： Passive drug-loading method and active drug-loading method, ann to compare their advantages and disadvantages. Passive drug-loading method is suitable for fat-soluble drugs with strong, Encapsulation efficiency high and difficult to reveal; And active drug-loading method is suitable for two pro-drug.