The invention relates to a healthcare food and a preparation method thereof, and in particular relates to a female healthcare life-maintaining capsule for nourishing females, beautifying the face, strengthening the body and delaying aging, and a preparation method of the capsule. The female healthcare life-maintaining capsule is prepared by extracting and concentrating tremella, Chinese yams, coix chinensis, pawpaw, lotus seeds, cherry tomatoes, grape seeds, grape peel, dried rose and lycium barbarum. The preparation method is simple, the capsule is convenient to prepare, and the natural components can be scientifically extracted to reasonably prepare the healthcare product which can be easily absorbed and digested; the product prepared by using the method has the effects of invigorating the spleen and supplementing qi, nourishing the liver and kidneys, nourishing blood and liver, invigorating qi and blood, improving sleep, removing chloasma, enriching skin moisture, beautifying the face, relaxing the bowels and removing toxins, complementing fiber and protein loss caused by diet in time, rapidly supplying the physical power and keeping beautiful body forms and skin of females, is low in calorie, and is very good in effect on constipation, intestine stasis and endocrine dyscrasia.