To solve this problem, the cutting fluid is not yet odor, or just appeared at the beginning of the odor, the cutting fluid purification treatment, because the effective components of the cutting fluid at this time there are still retained, after purification can be recycled, to extend the value of its use. Luhong Technology's cutting fluid purification and treatment equipment, no need to add chemicals, with purely physical means of sterilization deodorization, can be a good solution to this problem.