The invention provides a Korean medical healthcare food composition. The Korean medical healthcare food composition is a preparation prepared from the raw materials including kudzuvine root, 
dandelion, Chinese yam, shizandra, 
ophiopogon root, platycodon root, 
angelica root and 
cimicifuga foetida; and the dosage forms of the composition comprise 
powder, granules, tablets, chewable tablets, capsules, soft capsules, oral liquid, pastes, concentrates, ointments, soups, cakes and drinks. The composition has a healthcare function of assistant 
blood sugar reduction. The invention also provides a preparation method and an application of the composition. The composition has a formula which is screened out according to Chinese Korean theories of 
medicine on the basis of a Korean 
medicine clinical empirical prescription for preventing and treating diabetes, and meets requirements for healthcare foods. The composition can be used for treating the symptoms of diabetes and the like caused by phlogistic fire which fumes entrails, generates heat and 
dryness, causes qi flaming and 
secretion dryness, and makes one cannot restrain oneself by drinking due to accidental joy and 
anger, excessive consumption of energy, declined blood after illness, improper diet, deficiency of Yin and the like, and the aim of assistant 
blood sugar reduction is achieved by tonifying and astringing the 
lung, moistening 
dryness and resolving 
phlegm, promoting the production of 
body fluid to relieve exterior syndromes and clearing heat, so that a new choice is provided for the development of healthcare foods. The preparations prepared from the Korean medical healthcare food composition are experimentally proved to have the healthcare function of assistant 
blood sugar reduction and do not have toxic or 
side effect.