The invention relates to anti-ultraviolet women clothing and a preparation method thereof, wherein the preparation method comprises the following steps: (1) mixing evenly an anti-ultraviolet powder and a coupling agent, to obtain a modified anti-ultraviolet powder; (2) mixing evenly the modified anti-ultraviolet powder with an acrylate adhesive, 1,3-propylene glycol, sodium lignosulfonate, an ultraviolet absorbent and water, to obtain an anti-ultraviolet finishing liquid; (3) impregnating a fabric in the anti-ultraviolet finishing liquid, and drying after dehydration, to obtain an anti-ultraviolet warm-keeping fabric; and (4) clipping the anti-ultraviolet warm-keeping fabric, and sewing according to a conventional women clothing preparation process. The optimal process conditions of anti-ultraviolet finishing are investigated, the effects of improving ultraviolet absorption and warm-keeping property are achieved, the process is simple and is easy to operate, the yield is high, and the produced textile fabric has excellent anti-ultraviolet and anti-radiation functions.