The invention relates to a health-care sandwich chocolate composed of the following components in parts by weight: 300-500 parts of dark chocolate, 5-15 parts of fructooligosaccharide, 100-120 parts of light cream, 10-30 parts of butter, 5-10 parts of dried orange peel, and 5-15 parts of Cointreau. The health-care sandwich chocolate has the beneficial effects that the prepared health-care sandwich chocolate has the functions of effectively reducing the sweetness, improving digestive functions, bidirectionally regulating gastrointestinal flora, promoting the absorption on calcium, enhancing the immunity, reducing blood lipid and cholesterol, resisting caries, having low calorie, promoting mineral substance absorption and microbial synthesis, beautifying features, beautifying skin, slimming body and the like. A preparation method is concise in process, and the prepared chocolate is more delicate and more silk slippery; the heat preservation time is 12 hours, so that the chocolate is better degassed, grease and dry substances are better integrated, and the brightness is also greatly improved; and temperature adjustment melting is carried out, so that the chocolate is more crisp and has longer shelf life under normal storage conditions.