PROBLEM TO BE SOLVED: To provide a method for producing a medical herb composition for enhancing the immunity and the medical herb composition by the method.SOLUTION: The producing method of a medical herb composition comprises the following steps: naturally drying cornus officinalis, lycium chinense, taraxacum platycarpum, polygonum multiflorum, hovenia dulcis, phellinus linteus, acanthopanax senticosus, viscum album, lonicera japonica, and houttuynia cordata, and washing before mixing with purified water for separately preparing concentrated liquids heating the concentrated liquids for obtaining extracts and mixing the obtained extracts at 75 to 85 deg C.