Sheng Gelieting (CGT-8012) is a dipeptidy peptidase-IV enzyme (DP-IV) inhibitor. Sheng Gelieting has great DP-IV inhibition activity with an IC 50 value of 87 nM. Sheng Gelieting can be used for curing or preventing diseases relevant to the dipeptidy peptidase-IV enzyme , such as the diabetes, particularly the II-type diabete.