The invention provides novel anti-ultraviolet baby fabric applicable to ordinary days and a preparation method thereof. The preparation method comprises the following specific steps: 1, mincing and adding buckwheat, red dates and eggplants to a hydrochloric acid anhydrous ethanol solution, conducting ultrasonic treatment for 20-30 minutes at the power of 200 W, conducting reflux extraction for 50-60 minutes at the temperature of 60-70 DEG C, and obtaining rutin extract; 2, nanometer attapulgite and citric acid to the rutin extract, stirring the mixture uniformly, conducting filtration for removing impurities, then adding honey and deionized water, conducting homogeneous stirring and defoaming, and obtaining an anti-ultraviolet treatment agent; 3, adopting exterior and interior knotting double layer weave as a fabric weave structure, treating spandex elastic covering yarn fibers and superfine polyester fibers as exterior warp and exterior weft respectively, treating cotton fibers and silk fibers as interior warp and interior weft respectively, and forming double layer fabric through weaving; 4, conducting plasma treatment on the double layer fabric, spraying the anti-ultraviolet treatment agent, conducting drying, repeating spraying and drying, conducting washing and drying, and finally obtaining the anti-ultraviolet baby fabric applicable to ordinary days.