Recreational artificial grass yarn with fragrance and mosquito repelling functions and method for preparing artificial turf

The invention relates to the technical field of artificial turfs, in particular to leisure artificial grass with an aromatic mosquito repelling function and a method for preparing the artificial turfs. The artificial grass yarn is prepared from the following raw materials in parts by weight: 70-80 parts of matrix resin, 2-6 parts of mosquito-repelling material master batch, 1-3 parts of aromatic master batch, 3-16 parts of color master batch, 0-8 parts of elastomer material and 1-9 parts of assistant, wherein the mosquito-repelling material master batch is prepared from the following raw materials in parts by weight: 5-10 parts of natural plant extract powder, 89-94 parts of high-molecular olefin resin and 1 part of a PPA3 processing aid, and the natural plant extract powder comprises wormwood, geranium, mint and vitamin B in a ratio of 2: 1: 3: 3. According to the mosquito-repellent lawn, people moving on the lawn can be prevented from being invaded by mosquitoes, and the health of people is effectively prot