Making method for black soya bean ginger decoction

The invention discloses a making method of black soya bean ginger decoction, and the black soya bean ginger decoction is characterized by being prepared from the following raw materials: by weight, 50-100 parts of black soya bean, 20-30 parts of hazelnut kernel, 20-30 parts of cashew, 200-250 parts of fresh ginger, 20-40 parts of rock sugar, 1-2 parts of fig leaf, 2-4 parts of perilla frutescens, 2-3 parts of sunflower flower, 1-2 parts of cassia twig, 2-3 parts of lotus seed pot, 2-3 parts of astragalus root, 1-3 parts of arundina chinensis, 1-2 parts of herba vernoniae cinereae, 5-15 parts of salt, 5-15 parts of distiller's yeast and a proper amount of grape seed oil and water. The black soya bean ginger decoction tastes savoury, mellow, sweet and unique; in the formula, components of the hazelnut kernel, the cashew and the like are added for addition of nutrient content; at the same time, traditional Chinese medicine components are added for strengthening health care functions, the astragalus root has the effects of tonifying the lung, invigorating the spleen, benefitting qi and securing the exterior, the fig leaf has the functions of removing heat to promote salivation, invigorating the spleen and promoting the appetite, and the black soya bean ginger decoction is suitable for consumption by people having a poor appetite, air-condition diseases and other symptoms in summer.