The invention relates to a desulfuration amine solution foaming device, used for measuring and assessing foaming performance of desulfuration amine solution in petrochemical industry. The device is provided with a vent hole, a gas distribution head connection rod at the center, and a cylindrical air guide sleeve, wherein the air guide sleeve is installed in a test cup via an iron ring supported by a triangle support arranged at the part near to the upper end of the connection rod, a flatwise gas distribution head is arranged at the end part of the connection rod, the top surface and the bottom surface of the air guide sleeve are open, the gas distribution head is positioned in the center of the air guide sleeve without touching the same, the other end of the gas distribution head connection rod is connected with a flowmeter device outside the test cup, a through hole for guide pipes of sample inlet and outlet devices is arranged on one side of the bottom of the test cup, a constant temperature and constant humidity shower nozzle is arranged at the upper part of the test cup, a constant temperature and constant humidity inlet pipe is arranged at the through hole at the lower part of the test cup to stretch into the upper part in the test cup, and the flowmeter and a pressure gage are connected with the constant temperature and constant humidity inlet pipe outside the test cup.