Preparation method for forsythiaside lipidosome

The invention relates to a forsythiaside lipidosome and a preparation method thereof. The forsythiaside lipidosome is prepared from forsythiaside of which the purity is more than 70 percent, egg yolk lecithin, cholesterol and an antioxidant mainly. The envelop rate of the prepared forsythiaside lipidosome is over 80 percent. In the prepared forsythiaside lipidosome, the bioavailability of medicaments in vivo is improved.