The invention provides an ant essential oil liniment for treating gout disease and a preparation method thereof. The preparation method is characterized in that polyrhachis vicina roger essential oil is adopted and used as the main raw material, and salvia miltiorrhiza, atractylis oil, phellodendron amurense oil, cortex fraxini oil, radix paeoniae rubra oil, achyranthes root oil, polygonum cuspidatum oil, radix clematidis oil, felwort oil, ligusticum wallichii oil, liquorice oil and turpentine are adopted and compatible with the main raw material the main raw material and the compatible materials are added to a carrier (95% medical methanol) in sequence and prepared into the ant wind dispelling essential oil liniment. The ant essential oil liniment has the effects of resisting inflammation, disinfecting, easing pain, relieving tired muscle, dredging channel and activating collaterals, expelling wind and removing cold, alleviating water retention and clearing damp, clearing damp and swelling, can quickly penetrate the skin tissue of a human body, prompt the partial blood circulation, directly take part in the metabolic activity of the body and enhance or improve a plurality of systems of the body, and achieves a remarkable effect on treating gout disease.