Lubricating oil as well as preparation method and application thereof

The invention belongs to the technical field of assistants for medical apparatuses and instruments, and discloses lubricating oil as well as a preparation method and application thereof. The lubricating oil is prepared from the following components in parts by weight: 20% of emulsified silicone oil or water-soluble silicone oil with the purity of 99%, 0.1% of Kathon with the purity of 10%, 0.1% offatty alcohol-polyoxyethylene ether with the purity of 99%, 0.02% of essence with the purity of 99% and the balance of purified deionized water. Emulsified silicone oil or water-soluble silicone oil,Kathon, fatty alcohol-polyoxyethylene ether and essence are dissolved in purified deionized water, and stirring is performed to obtain a homogeneous solution; purified ionized water is added to fulldose, and volume fixing and aging are performed; an obtained intermediate product is inspected; if the intermediate product is qualified, the intermediate product is sealed with a disinfectant plasticbottle and head, and extern