The present invention relates to the technical field of natural medicines, and in particular to a triterpenoid compound with an effect of improving glucose and lipid metabolism disorders, and preparation and application thereof. A novel triterpenoid compound was obtained by separation from Momordica charantia L. for the first time in the present invention. Studies on a mouse primary hepatocyte model and a 3T3-L1 preadipocyte model show that the novel triterpenoid compound in the present invention has activity of regulating glucose and lipid metabolism, and after combination with known triterpenoid compound Momordicoside G, the activity of regulating glucose and lipid metabolism is significantly higher than that of a single compound at the same dose, indicating that the novel triterpenoid compound and a complex thereof in the present invention can be used to improve glucose and lipid metabolism disorders and provide a new way for diabetes treatment.