The present invention relates to a method for manufacturing non-toxic mineral fermented sulfur powder which includes: mixing 10-13 parts by weight of vegetable juice containing sulfur with respect to 1 part by weight of non-toxic mineral fermented sulfur; repeatedly stirring and stopping at room temperature for the primary removal of toxic components; insulating, maturing, and fermenting the same; and drying and pulverizing after secondary removal of the remaining toxic components and moisture..