Water-soluble trademark

The invention discloses a water-soluble trademark, comprising a bottom lining surface and a trademark surface, wherein the bottom lining surface is a PVA (Polyvinyl Alcohol) film; the trademark surface is humidity-sensitive irreversible printing ink; and the trademark surface is printed on the bottom lining surface in a silk printing or flexographic printing manner. According to the water-soluble trademark disclosed by the invention, the clothes trademark position and the original trademark fabrication technology are not changed completely, so that a clothes trademark can conveniently disappear after being washed, therefore the improper friction between the trademark and human skin when the clothes are worn to the skin is prevented, the wearing comfortableness is realized, and the situation that a customer damages the clothes due to removing the trademark owing to psychological reactance can also be effectively prevented.