Ivermectin suspending agent, preparation method and application thereof

The invention discloses an ivermectin suspending agent, a preparation method and application thereof. Each liter of the ivermectin suspending agent is prepared from 2 to 100g of ivermectin raw material medicament, 200 to 550g of oil, 30 to 200g of emulsifier and a proper amount of water; and an auxiliary agent can be added when necessary. The ivermectin suspending agent prepared by the preparation method has the characteristics of high stability and biocompatibility and remarkable sustained-release effect, can be applied to the preparation of an ivermectin sustained-release injection, fills a domestic technology gap, and develops a new technical field for the application of ivermectin. The preparation method for the suspending agent has the characteristics of simplicity, easy implementation and low manufacturing cost.