Objective to evaluate the hypoglycemic effect of the alcohol extract from the roots of Salacia hainanensis.Methods observe the hypoglycemic effect of the alcohol extract from the roots of Salacia hainanensis on Alloxan model mice, and the influence on the blood glucose level of the glucose- loaded mice and normal mice. Results the alcohol extract from the roots of Salacia hainanensis could significantly reduce the blood glucose levels of the Alloxan mice and the glucose- loaded mice, while had no hypoglycemic effect on the normal mice. Conclusion the alcohol extract from the roots of Salacia h...