The invention discloses a composition a contact lens solution containing peppermint, which is characterized in that the composition consists of the following components in percentage by weight: 0.001 to 0.3 percent of peppermint, 0.01 to 4 percent of isotonic regulator, 0.001 to 6 percent of lubricant-humectant, 0.001 to 5 percent of surfactant, 0.001 to 3 percent of chelating agent, 0.001 to 10 percent of buffering agent, 0.00001 to 2 percent of biocide, and 80 to 99.7 percent of pure water. A preparation method comprises the steps of: orderly placing the components into the pure water to dissolve, using sodium hydroxide and hydrochloric acid to adjust the pH value to be between 6.5 and 7.8, ensuring that the osmotic pressure is between 280 and 320 mo sm/kg.H2O, and performing aseptic filtration (0.22 mu m) on a solution. In the composition, the peppermint has special fragrance, sense of pungency and cool sense, stops pain and itching, and is effective to relieve the dryness and discomfort as well as the swelling of eyes. The contact lens solution is used for treating, disinfecting, cleaning, soaking, lubricating and storing contact lenses.