Desulfurization system capable of lowering amine solution loss and relieving amine solution foaming and treatment method of desulfurization system

The invention provides a desulfurization system capable of lowering amine solution loss and relieving amine solution foaming and a treatment method of the desulfurization system. The system comprises a first knockout tank, a desulfurization tower, a second knockout tank, a first water cooler, a first separator, a second water cooler, a second separator and a filter, wherein before desulfurization, a process medium is connected with a charging opening of the first knockout tank through the first water cooler, a tank top material outlet of the first knockout tank is connected with a bottom charging opening of the desulfurization tower, a lean amine solution is connected with a top charging opening of the desulfurization tower, a tower top discharging opening of the desulfurization tower is sequentially connected with the first separator and the second knockout tank, a bottom light-hydrocarbon component discharging opening of the desulfurization tower is connected with the second separator, and a rich amine solu