The present invention is to provide a gel nail photocuring machine with multicolor light effects, comprising: a machine body and a control module. The machine body has a curing cavity and one or a plurality of multicolor indicator light module provided on the machine body to produce color light effects on a housing of the machine body, wherein the multicolor indicator light module has a composite light source and a uniform illumination unit provided on one side of the composite light source. The control module is provided on the machine body and is connected to the multicolor indicator light module on the machine body, wherein the control module provides a color difference control instruction to the multicolor indicator light module according to a preset instruction in order to control an output power of each of a plurality of base-color light-emitting units of the composite light source, thereby instructing the multicolor indicator light module to emit light of various colors.