Electronic cigarette with good filtering effect

The electronic cigarette with the good filtering effect comprises a lower shell, an upper shell is arranged above the lower shell, the inner ring of the lower shell is fixedly connected with a threaded ring, the outer surface of the threaded ring is in threaded connection with the inner ring of the upper shell, the inner ring of the threaded ring is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with the upper shell. A fixing rod is arranged in the upper shell, a non-woven fabric filter screen and a polypropylene tow block are fixedly connected to the outer surface of the fixing rod, annularly-arranged through holes are formed in the upper surface of a limiting plate, annularly-arranged smoke exhaust ports are formed in the upper surface of the upper shell, a carrier plate is fixedly connected to the inner ring of the lower shell, and the carrier plate is fixedly connected to the inner ring of the lower shell. An atomizer is fixedly installed on the upper surface of the c