Belonging to the technical field of environmental protection, the invention discloses a method for removal of organic pollutants in water. The method includes: mixing graphene oxide (GO) with poly(N-isopropylacrylamide) (PNIPAM) according to certain proportion to prepare a GO/PNIPAM compound temperature-responsive hydrogel, adding the hydrogel into sewage with exceeding organic pollutants, and regulating phase splitting of the system in a direct heating mode to form an aqueous phase and a gel phase. During phase splitting of the hydrogel system, the GO adsorbing a large amount of organic pollutants is wrapped and fixed in the gel phase, and the organic pollutants in the sewage can be removed through a simple filtration method.