The invention discloses tea with functions of reducing 
blood sugar and losing weight and a production method thereof. The tea is prepared from the materials such as large 
bitter gourd, radix polygonati 
officinalis, bitter 
physalis pubescens, 
dandelion, 
green tea, 
houttuynia cordata, humifuse 
euphorbia herb, radix puerariae, winter mulberry leaves, common fenugreek seeds, miracle 
fruit tree leaves and 
stevia rebaudiana. The main process comprises the following steps of selecting the materials, 
drying, crushing, batching, removing impurities, sterilizing, quantifying, and packaging to obtain a finished product. The tea and the production method disclosed by the invention have the beneficial effects that on the basis of the secret prescription handed down from ancestors, by taking and clinical 
verification of multiple cases as well as continuous summarization and perfection, the formula is more complete, the 
curative effect is exact, and the effect for the main diseases such as 
dry throat and 
thirst, internal-heat consumptive 
thirst and dysphoric-fever consumptive 
thirst is obvious; the effects for nourishing yin and moistening 
dryness, clearing heat and removing 
toxicity, promoting production of 
body fluid and 
quenching thirst, warming 
kidney and activating yang and eliminating cold and stopping pain are achieved to different degrees; and the tea has the advantages of health care, reduction of 
blood sugar, weight losing, pure nature and no toxic or 
side effect and the like.