Theory of Microneedle Therapy: Microneedle therapy uses a knead rod inlayed with 192 slender steel needles, accompanying with functional nutrition liquid, regularly rolling in the places which need to cure, it can puncture more than 300, 000 micro vessels on the epidermal within five minutes, form a efficient nutrient delivery system in the epidermis and subcutaneous tissue, with which the active ingredient of the nutrition can entry into skin effectively. Then make skin maintenance, skin care, skin treatment and skin beauty to be perfect.