Wrinkle effect powder coating with substrate in low tendency to expose after solidification and preparation method thereof

The invention discloses a wrinkle effect powder coating with a substrate in low tendency to expose after solidification, the wrinkle effect powder coating comprises a bottom powder composition and a wrinkle agent composition, wherein the bottom powder composition mainly comprises epoxy resin, polyester resin, a curing agent, an accelerator and a pigment filler, the wrinkle agent composition mainly comprises an acrylate copolymer, epoxy resin, polyester resin, a curing agent and a pigment filler; and the mass ratio of the wrinkling agent composition and the bottom powder composition is 0.1%-9%. The invention also provides a preparation method of the wrinkle effect powder coating. The wrinkle effect powder coating is uniform in coating film wrinkle effect, strong in three-dimensional sense, the substrate surface is covered completely, the substrate is not easy to expose, and more effective protection is provided for the substrate.