摘要：【中文】本发明提供了一种抗菌复合聚乙烯醇纤维的制备方法，包括以下步骤：(1)将茶多酚和硝酸银溶液混合得到混合溶液A，硝酸银的质量浓度为0.5％～3％，茶多酚的质量浓度为2.5％～4.0％；(2)将聚乙烯醇溶解在混合溶液A中，并在80～100℃下搅拌3～5小时，所述聚乙烯醇与所述混合溶液A的重量比为5～15:100；(3)加入石墨烯分散均匀后静置；(4)将步骤(3)得到的混合液进行纺丝后在紫外光下照射，得到抗菌复合聚乙烯醇纤维。本发明的方法将聚乙烯醇、茶多酚、硝酸银和氯化锂混合溶液在80～100℃下搅拌3～5小时后添加石墨烯静置后纺丝，并且通过在紫外光下照射，提高了抗菌复合聚乙烯醇纤维的抗菌性能，利用抗菌复合聚乙烯醇纤维制备得到的无纺布的抗菌性能更好。 【EN】The invention provides a preparation method of an antibacterial composite polyvinyl alcohol fiber, which comprises the following steps: (1) mixing tea polyphenol with silver nitrate solution to obtain mixed solution A, wherein the mass concentration of silver nitrate is 0.5-3%, and the mass concentration of tea polyphenol is 2.5-4.0%; (2) dissolving polyvinyl alcohol in the mixed solution A, and stirring for 3-5 hours at 80-100 ℃, wherein the weight ratio of the polyvinyl alcohol to the mixed solution A is 5-15: 100; (3) adding graphene, dispersing uniformly, and standing; (4) and (4) spinning the mixed solution obtained in the step (3), and then irradiating under ultraviolet light to obtain the antibacterial composite polyvinyl alcohol fiber. According to the method, the mixed solution of polyvinyl alcohol, tea polyphenol, silver nitrate and lithium chloride is stirred for 3-5 hours at 80-100 ℃, graphene is added for standing and spinning, the antibacterial performance of the antibacterial composite polyvinyl alcohol fiber is improved by irradiation of ultraviolet light, and the non-woven fabric prepared from the antibacterial composite polyvinyl alcohol fiber has better antibacterial performance.