The invention relates to a paint remover capable of being used circularly. The paint remover is prepared from D40 solvent oil, 2-ethoxyethanol, dipropylene glycol mono butyl ether, butyl acetate, alcohol solvent, ketone solvent and penetrant. The paint remover has the extremely high capacity of dissolving a paint film, the paint removing speed is high, the paint removing efficiency is high, the performance is stable, the comprehensive cost is low, recycle and reuse can be achieved, one one hand, various paint such as alcohol acid, nitryl, epoxy, polyester and polyurethane can be removed, and on the other hand, the paint remover is suitable for performing paint removing on powder coated workpiece, two-color oil coating on vacuum plating (PVD) or water plating workpiece and the like, the paint removing effect is good, the flash point is high, the safety factor is high, volatility is high, toxicity to a human body does not exist, waste paint remover generated by an enterprise in the use process can be recycled and reused through a vacuum distillation recovery machine, no sewage can be generated in the use process, sewage discharge is avoided, waterless cleaning can be achieved for theenterprise, the environmental protection pressure is reduced, and the cost is low.