The invention discloses a traditional Kazak medicament composition for treating diabetes mellitus and a preparation method of the traditional Kazak medicament composition. According to the traditional Kazak medicament composition, six yuan theory, namely alta turor theory, gas, function and energy theory, namely huwati theory, body fluid theory, namely suhler theory, viscera theory, namely muxielieer theory and the like of introduction of Kazak nationality medicine of theoretical basis of traditional medicine are combined, and the traditional Kazak medicament composition has the main action of preventing and treating the diabetes mellitus. Balsam pear seed, ribes, mayberry, raspberry, elecampane, the fruit of Chinese wolfberry, helichrysum arenarium and plains coreopsis in the traditional common plants of Kazak medicine are selected as raw materials and subjected to water extraction and ethanol extraction to be uniformly mixed to prepare an oral preparation. The dosage forms comprise all of oral preparations, such as decoction, pills, powder, granules and the like suitable for clinically preventing and curing the diabetes mellitus. The traditional Kazak medicament composition especially has a good curative effect for oral adjuvant treatment of the diabetes mellitus and the like. The traditional Kazak medicament composition is reasonable in formula, convenient to prepare, definite in curative effect, quick in effectiveness, free of toxic and side effects of irritation and the like.