The invention relates to fruit and vegetable microcapsule powder, fruit and vegetable microcapsule-potato powder, and preparation methods thereof, belonging to the technical field of deep processing of fruits and vegetables. The preparation method of the fruit and vegetable microcapsule-potato powder comprises the following steps: smashing fruits; embedding modified starch and carrying out freeze-drying; subsequently subjecting potatoes to cleaning, peeling, steaming, grinding into thick liquid, grinding with a colloid mill, drying with a heat pump, and grinding into powder successively; and finally, mixing the fruit and vegetable microcapsule powder and potato powder under stirring. By adopting a microcapsule technology, nutritional ingredients and characteristic flavors of fruits and vegetables are greatly protected; fruit and vegetable juice and the potatoes are compounded to provide various nutrients and dietary fibers for human bodies, fat intake is reduced, and proper energy is provided; so fruit and vegetable microcapsule-potato powder is breakfast suitable for urban populations. The fruit and vegetable microcapsule-potato powder disclosed by the invention maintains the fragrance and delicate taste of fruits and vegetables, and is rich in dietary fibers, vitamins, minerals, anthocyanin, beta-carotene and other active ingredients, bright in color and luster and high in nutritional value.