The invention relates to a headache-relieving beverage and a preparation method and a preparation device thereof, wherein various Chinese herbal medicines are heated in a same utensil independently and simultaneously, heated medicine liquid of components is cooled and mixed, so that the functions of the Chinese herbal medicines with different components are not affected, and meanwhile, side effects caused by heating reaction are further avoided. The beverage relieves headache, and has a good effect on the old. According to the method, processes are respectively carried and finally physical mix is carried out, so that the drug properties of the herbal medicines are maintained, side effect caused by mixed heating can be avoided to avoid harming a human body; the equipment is simple in structure and high in efficiency.