The study analyzed the T2DM medications used by 1663 individuals, with the highest number of cases using metformin (metformin tablets/extended-release metformin tablets), followed by insulin and the third-ranked α-glucosidase inhibitors (acarbose tablets), which is consistent with the recommended medications in guidelines and literature reports.[8–10] However, during the survey, it was found that there were still many irrational medication practices. The gene discussed is INS; the disease is type 2 diabetes mellitus.