The invention discloses a compound pueraria flower soup alcohol effect-relieving beverage and a preparation method thereof. The beverage adopts pueraria flower and radix puerariae (fresh puerariae or dried puerariae slices) as main raw materials and is supplemented with poria cocos, dried ginger, dried orange peel, licorice, a sweetening agent, a sour agent, alpha-amylase, glucoamylase and other raw materials, and the clarified beverage with pueraria fragrance is prepared through a certain method. Six natural traditional Chinese medicines comprising pueraria flower, radix puerariae, poria cocos, dried ginger, dried orange peel and licorice each have efficacy, and the sweetening agent can improve the mouthfeel. Therefore, the beverage not only has functions of rapidly relieving alcohol effects, sobering up and protecting liver from being damaged by alcohol, but also can relieve stomach distension, nausea, vomiting, giddying, dizzying, thirst and other discomfortable feelings after drunkenness, eases heartbeat acceleration, blood pressure rising and other symptoms caused by excessive drinking, has the advantages of good mouthfeel, fresh and cool taste, no any toxic or side effects, simple preparation method, easy processing and long shelf life, and is a medicine-food dual-use item which meets national requirements and is both a food and a medicine.