The invention relates to the technical field of food enzymes, and discloses a symbiotic microflora enzyme. The symbiotic microflora enzyme contains symbiotic microflora which has the effect of preventing, resisting and inhibiting helicobacter pylori. The symbiotic microflora contains main microflora and auxiliary microflora which aim at enhancing microflora effects and increasing the microflora number, wherein the main microflora comprises lactobacillus acidophilus, lactobacillus bulgaricus, lactobacillus plantarum, lactobacillus rhamnosus, Roy's lactobacillus, lactobacillus casei, lactobacillus gasseri, lactobacillus johnsonii, lactobacillus salivarius, lactobacillus brevis, lactic streptococci, bacillus subtilis, bifidobacterium bifidum, bifidobacterium adolescentis, bifidobacterium infantis, bifidobacterium breve and bifidobacterium longum. After the symbiotic microflora enzyme is drunk, the contained powerful and rich symbiotic microflora can naturally exist in the digestive system of the human body, obtains the living space advantage in the ecological environment, and achieves the effect of eliminating helicobacter pylori.