The invention provides 
health protection tea with a function of treating diabetes. The 
health protection tea is prepared from lucid 
ganoderma, fructus lycii, folium mori, 
radix astragali seu hedysari, radix glycyrrhizae, fructus trichosanthis, radix angelicae sinensis, herba gynostemmatis, 
semen cassiae, rhizoma dioscoreae, fructus momordicae, radix puerariae, rhizoma atractylodis, poria cocos, radix et rhizoma notoginseng, herba rosmarini 
officinalis, 
flos araceae, 
toona sinensis roem and herba potentillae discoloris. According to the 
health protection tea, the 
immunity of a drinker is improved by adding multiple vegetable Chinese herbal medicines; the reasonable matching is carried out according to the different properties of raw materials; synergistic effects among the different effects of traditional Chinese medicinal raw materials are intensified; the effect of each 
raw material is intensified; the sufficient extraction of the effective component of each component of the raw materials and / or the maintenance of an 
active component are / is guaranteed; the 
curative effect and the quality stability of a product are improved; further, any negative effects do not exist. Particularly, the health protection tea has an obvious 
curative effect on a patient suffered from the diabetes; the raw materials are mutually matched; the synergistic effects are achieved; the heat is cleared away; the fat is reduced; the effect of reducing blood glucose is intensified; the function of a pancreatic island is recovered; the yin is nourished; the 
dryness is moistened; the 
water retention is alleviated; moreover, the 
blood circulation promotion and the 
saliva production can be achieved; the symptoms of 
polyphagia, 
polydipsia, urorrhagia and marasmus are eliminated.