The invention relates to a Chinese traditional medicament composition for curing diabetes and process for preparation, wherein the efficacy composition contained in the Chinese traditional medicament composition is that the invention chooses radix rehmanniae, cortex mori, coptis, liriope, mulberry leaves, kudzu root, kadsura, salvia, americanwater plantain, astragalus or barrenwort. The Chinese traditional medicament composition of the invention can nourish yin, clear heat, supplement qi and activate blood, applicable to the assistant treatment of yin deficiency and heat hyperactivity syndrome and blood-stasis diabetes. The invention can improve the symptoms of thirst, polydipsia, hyperphagia, polyuria, marasmus and irascibility, limb numbness, and the like, and especially has good effect to the yin deficiency and heat hyperactivity syndrome and blood-stasis diabetes. The invention doesn't have obvious side effect.