The invention discloses purple sweet potato wine with beauty maintaining and body slimming effects. The purple sweet potato wine is made from purple sweet potatoes, purple sweet potato vines, lycium ruthenicum fruit, herba dracocephali tangutici, glycyrrhiza inflata roots, calligonum fruit, sago cycas roots, rhodiolae roots, gymnadenia conopsea, herb of liparis nervosa, adder's tongue herb, wedelia wallichii less, isomaltooligosaccharide, sucrose, lactic acid bacteria, Angel yeast, vitamin C and a complex enzyme by weight. According to the purple sweet potato wine with the beauty maintaining and body slimming effects, the wine body is clear, the alcohol content is low, deep processing routes of purple sweet potatoes are increased, and the economic income is increased by 14.3%; the purple sweet potato vines are pulverized to be subjected to microbial fermentation together with the purple sweet potatoes and traditional Chinese herbs, effective ingredients are fully combined, and therefore the effects of maintaining beauty, caring the skin, losing weight, slimming a body, enhancing the immunity, preventing and treating cardiovascular and cerebrovascular diseases, protecting the liver and the stomach, delaying senescence and inhibiting and resisting cancers can be achieved; the purple sweet potatoes are fermented through the lactic acid bacteria and the yeast, therefore, the pH value of the wine body is regulated, the alcohol content is increased, and the fragrance is harmonious and strong; by means of low-temperature freezing treatment and micropore filtration membrane filtration, the stability of the wine body is improved, and the shelf life is prolonged to 16 months to 18 months.