Polygonum multiflorum and lactasexan can not be eaten together, will reduce the efficacy of lactasexan, need to follow the doctor’s instructions for medication. The pharmacological effects of Polygonum multiflorum are antibacterial and antiviral, and studies have shown that it has a strong antibacterial effect on Staphylococcus aureus, Fuchsia dysentery bacillus, Cattarius naphthisus, and A paratyphoid bacillus, among others. Lactasexan is a live bacterial preparation for live enterococci. It can be used for dyspepsia, bloating, and green stools and diarrhea caused by pediatric eating disorders. Adverse reactions are not clear. It is contraindicated for those who are allergic to the product. The drug description states that the combination of lactasexan with antibiotics or drugs containing ellagic acid can cause drug interactions and reduce the efficacy of lactasexan. Polygonum multiflorum has antimicrobial effects and contains tannin, so it should not be taken together with Lactasexant. It should be used rationally under the guidance of a doctor.