The invention discloses a sobering-up tea drink and a preparation method thereof. The sobering-up tea drink comprises, by weight, 38 to 43 parts of green tea, 20 to 30 parts of mung bean, 10 to 12 parts of dark plum, 10 to 12 parts of honeysuckle flower, 2 to 4 parts of Poria cocos, 5 to 7 parts of villous amomum fruit, 3 to 5 parts of Hovenia Dulcis Thunb, 2 to 4 parts of cassia twig, 1 to 3 parts of fortune eupatorium herb, 4 to 6 parts of grosvenor momordica fruit, 3 to 5 parts of mulberry, 2 to 4 parts of hyacinth bean flower, 3 to 5 parts of Phyllanthus urinaria, 4 to 6 parts of desmodium, 2 to 4 parts of Hypericum japonicum Thunb, 1 to 3 parts of Gypsophila, 2 to 4 parts of cassia nomame, 3 to 5 parts of coix root, 2 to 4 parts of Radix Thalictri simplicis and 2 to 4 parts of Japanese raspberry herb. According to the invention, the sobering-up tea drink is composed of purely natural raw materials, does not contain any chemical preservative, is capable of relieving the effects of alcohol, arresting vomiting, quenching thirst, eliminating vexation, dispelling wind, removing obstruction in the meridians, facilitating urination and cacation, sobering one up and tranquillizing the mind, can both relieve the effects of alcohol and protect the liver and has the advantages of simple preparation process, unique taste, pure fragrance, convenience in eating, no side-effects and a substantial effect.