Fecha de publicación: 06/09/2022 Fuente: WIPO "hemp" The invention discloses a preparation method of an antibacterial knitted fabric. The method comprises the following steps: 1, preparing chitin fibers, hemp fibers, acrylic fibers, polyester fibers and spandex as raw materials; step 2, preparing the raw materials in the step 1 into blended yarns; 3, the blended yarn is soaked in a pre-finishing solution for pre-finishing, and the pre-finishing solution is prepared from a deodorant, an antibacterial agent, tea saponin and deionized water; step 4, interweaving the pre-finished blended yarns with polyamide fibers to obtain knitted grey cloth; 5, the knitted gray fabric is subjected to padding treatment in an antibacterial finishing agent, the antibacterial finishing agent is a compound of an antibacterial deodorization finishing agent and organosilicon quaternary ammonium salt, and the antibacterial knitted fabric is obtained. The anti-bacterial knitted fabric has the advantages that the combination degree of the pre-finishing liquid and the blended yarn is good, the anti-bacterial finishing agent and the knitted gray fabric are firmly combined, the anti-bacterial finishing agent acts on the knitted fabric, the pre-finishing liquid acts on the interior of the yarn, and the anti-bacterial knitted fabric has the good anti-bacterial effect and can still keep the anti-bacterial effect after being washed multiple times.