Healthcare tea reducing blood glucose

The invention relates to a preparation method of healthcare tea reducing blood glucose. The preparation method of the healthcare tea reducing blood glucose includes the steps that 10-fold 70% ethanol and 8-fold 70% ethanol are respectively added to the raw materials of astragalus membranaceus, gynostemma pentaphyllum and radix scrophulariae to perform extraction two times, extraction lasts for 1.5 h every time, extracting liquor is concentrated and dried, residues of the three raw materials are mixed with corn leaves, radix rehmanniae, polygonatum odoratum, Chinese yam and folium mori, 8-fold water and 6-fold water are respectively added to perform boiling for 2 h and extraction two times, extracting liquor is concentrated and dried and then mixed with the dry ethanol extraction extract, the mixture is smashed into coarse powder, auxiliary materials are added, and the mixture is made into particles and charged into a gauze bag. A preparation method of foot bath liquor reducing blood glucose includes the steps that rhizoma anemarrhenae, radix scrophulariae, rhizoma dioscoreae septemlobae, radix paeoniae rubra, radix trichosanthis, pumpkin vines, caulis spatholobi, scutellaria baicalensis, rhizoma smilacis glabrae, angelica sinensis and safflower carthamus are ground into coarse powder and charged into a gauze bag, the gauze bag is placed in a foot basin, 1 L of boiled water is added for soaking the gauze bag for 5 min, then 1 L of cold water is added to adjust the water temperature to about 40 DEG C, and then a foot bath can be achieved. The healthcare tea has the advantages of being good in blood glucose reducing effect, easy to take and free of toxic and side effects.