the present invention relates to a medical herb composition for reducing shedding of mammal hair and a method for preparing the same . the medical herb composition comprises : a first herb material selected from the group consisting of ginseng radix , astragali radix , batatatis rhizoma , zizyphi fructus , tremella , codonopsis pilosula , or the combination thereof ; a second herb material selected from the group consisting of angelicae radix , rehmanniae preparata radix , longanae arillus , lycii fructus , paeonia lactiflora , or the combination thereof ; and a third herb material selected from the group consisting of rehmanniae radix , ligustrum lucidum , eclipta prostrata , dendrobium hancockii , polygonum multiflorun , or the combination thereof . the medical herb composition of the present invention can reduce shedding of mammal hair , promote the growth of hair , and also can efficiently improve vitality , skin condition , and complexion .