Screening by liquid chip technology, we found that NSAIDs resulted in intestinal damage was associate with HTR4, HTR1a, F2RL3, CALCA, NPY, CRHR2, IL1b, P2RX3, TPH1, HMOX1, TRPV1, VIP, F2RL1, SLC6A4, TFF2, AQP8, NOS1,and berberine treat NSAID- induced small intestinal disease by regulating HTR4, F2RL3, NPY, CRHR2, IL1b, VIP, AQP8, NOS1. This evidence concerns the gene HTR4 and small intestine disorder.