An apparatus for pigment and vascular treatment, including: a treatment main portion including a low-peak-power laser configured to output a laser light spot； a controller configured to perform laser treatment control； and a treatment handle connected to the treatment main portion via an optical path and an electrical circuit； the treatment handle including: a scanning resonance optical structure optically coupled to the laser via the optical path and configured to cause the laser to have a scanning output in accordance with a program of pulse widths and light spot positions set by the controller； and a treatment window member coupled to an output end of the scanning resonance optical structure and configured to adjust a surface area of the laser light spot on a treatment surface； wherein the treatment window member is disposed between a field lens of the scanning resonance optical structure and the treatment surface.
