The invention relates to the technical field of textile wastewater treatment, in particular to a textile wastewater treatment system. The textile wastewater treatment system comprises a wastewater collection tank, an agent sedimentation tank, a biochemical pool, a secondary sedimentation tank and a sludge treatment device which are sequentially connected with a wastewater discharge outlet of textile production equipment, and further comprises an ultrafiltration device and an RO device, wherein liquid discharge ports of the secondary sedimentation tank and the sludge treatment device are both connected with the ultrafiltration device, a purified water outlet of the ultrafiltration device is connected with the RO device, a purified water outlet of the RO device is connected with the textileproduction equipment, and the ultrafiltration device and a concentrated water outlet of the RO device are both connected with the secondary sedimentation tank. The textile wastewater treatment systemis suitable for treating textile wastewater, and is good in treatment effect, capable of saving energy and environmentally friendly.