Flushing-free excrement and urine separating collecting and treatment system of public washroom

Provided is a flushing-free excrement and urine separating collecting and treatment system of a public washroom. A urine drainage pipe and an excrement discharge pipe separated from the urine drainage pipe are arranged in the public washroom and communicated with a urine collecting container and an excrement collecting container, the tops of the containers are communicated with an air drainage pipe, and an excrement-urine separation toilet stool comprises a bag storage box, a bag containing mechanism and an odor separating plate opening mechanism. Stacked excrement bags are stored in the bag storage box, the side wall of an inlet of an excrement channel is provided with a transversely-arranged bag hanging groove, the excrement bag on the innermost side is provided with the bag containing mechanism, and the excrement bag on the innermost side falls off through a chute and is arranged in the bag hanging groove. An odor separating plate controlled by a bag falling switch is arranged at the bottom of the excremen