The invention provides novel antibacterial textile fabric special for infants and a preparing method thereof. The method comprises the specific operation steps that 1, lotus fibers extracted through a physical method serve as weft, cotton fibers serve as warp, double-layer plain weave is adopted as a weave structure, and weaving is carried out so that a fiber layer can be formed; 2, hydrolyzed chitosan is dissolved into water, a plant antibacterial extracting solution is added, the mixture is stirred uniformly, finally sodium alginate is added, and after sodium alginate is dissolved, transparent and uniform antibacterial viscous fluid is formed; 3, after the fiber layer prepared in the step 1 is tentered and finished, the surface of the fiber layer is coated with the antibacterial viscous fluid prepared in the step 2, and baking, washing and drying are carried out to obtain the antibacterial textile fabric special for the infants. The antibacterial property is still excellent after the prepared antibacterial textile fabric special for the infants is washed with water for 100 times, the textile fabric has excellent wet absorbing and ventilating properties, is soft and comfortable in handfeel and environmentally friendly, meets the requirement of clothes of the newborn infants and is antibacterial textile fabric special for the infants, and safety is guaranteed.