The invention provides probiotic. The probiotic comprises a bacteria strip and a light fluid, wherein the bacteria strip comprises prebiotics, a strawberry fruit powder, lactobacillus plantarum LP45,bifidobacterium lactis BAL531, lactobacillus acidophilus La28, lactobacillus paracasei YMC1069, lactobacillus rhamnosus LR519, bifidobacterium bifidum TMC3115, lactobacillus reuteri L840, lactobacillus gasseri L838 and bifidobacterium animalis subsp. Lactis B420; and the light fluid comprises skimmed milk powder, maltodextrin, whey protein concentrate powder, fruit powder, konjaku flour, coconut powder, a sugar substitute, a freeze-dried fruit granule, chia seed, psyllium husk and compound vitamins. The invention also provides a method for improving the survival rate and planting rate of the probiotic in the intestinal tract. According to the method, a manner of first taking the light fluid on an empty stomach and then mixing the light fluid with the bacteria strip and then taking the mixture is adopted, the light fluid which is first taken neutralizes gastric acid and bile salt, then the bacteria strip is fully fused with the light fluid, and then a flora of the probiotic is successfully planted in the intestinal mucosa.