The invention discloses an environment-friendly anti-wear hydraulic oil, which comprises components A, B and C, component A includes components A and B, and its components include the following components: component A: component A: linseed oil, castor oil Sesame oil, sunflower oil; B component: sorbitan monopalmitate, triglyceride; B component: nano boride silicon, polyalkylene glycol, glycerol, isoparaffin, sulfurized fatty acid ester; Components: trimethylolpropane ester, polyacrylamide, calcium sulfonate, paraffin; the invention also discloses a preparation process of an environmentally friendly anti-wear hydraulic oil; the product of the invention is environmentally friendly, degradable, does not pollute the environment, and is also It can be recycled and reused, and the production process is simple and easy to operate, and the production cost is low.