The invention relates to a medlar plant energy beverage and a production method thereof. The medlar plant energy beverage is prepared from a plurality of herbs, such as medlar, liquorice, red dates, semen cassiae, medlar nectar, chrysanthemum and folium mori in a balanced manner. According to the medlar plant energy beverage and the production method thereof, a common functional beverage addition method is changed, and caffeine, preservatives and artificial pigments are not added; meanwhile, the medlar plant energy beverage breaks through a traditional administration mode, can be drunk at any time and has the functions of enhancing immunity of a human body and relieving asthenopia and physical fatigue. According to the medlar plant energy beverage prepared by adopting the production method, the shelf life is prolonged and the original flavors are furthest enhanced; the medlar plant energy beverage tastes sour and sweet, is uniform and stable in quality and has the characteristics of enhancing immunity of the human body and relieving asthenopia and physical fatigue.