The invention discloses cold liquid
medicine and a preparation method thereof, and belongs to the technical field of
medicine. The liquid
medicine adopts the following raw materials in parts by weight: 8 parts of scallion root, 4 parts of perilla leaves, 3.6 parts of mulberry leaves, 5 parts of plantain, 2.4 parts of bamboo leaves, 4 parts of shaddock peel, 10 parts of brown
sugar, 3 parts of vinegar and 2 parts of ginger. The preparation method comprises the following steps: A, soaking the ginger to the vinegar for 12 hours, and then taking out the ginger for later use; B, cleaning the scallion root, perilla leaves, mulberry leaves, plantain, bamboo leaves and shaddock peel to be stirred uniformly with the brown
sugar to obtain a mixture, adding water in a weight ratio of the mixture to the water being 2:1, and
steaming over water in a steamer for 2.5-3 hours; C, adding the vinegar and the ginger in step A into the steamer of step B, and
steaming for 0.8-1 hour; and D, naturally cooling the steamer in step C, and filtering to obtain the liquid medicine. The invention provides a cold liquid medicine which is natural, does not have toxic or
side effect and has a good prevention effect and a preparation method thereof.