Excrement collecting device

The utility model relates to the technical field of medical instruments, and discloses an excrement collecting device which comprises an anal bag, an anal tube, a flushing bag and a first flushing tube, a drainage tube is connected to the anal bag, the anal bag is provided with a bag opening, the outer edge of the bag opening is provided with a pasting part used for being attached to a human body,and the anal tube is located in the anal bag. The rear end of the anal tube penetrates out of the bag body of the anal bag, a fixed bag is arranged at the front end of the anal tube, an inflation tube is arranged in the anal tube, the front end of the inflation tube is communicated with the fixed bag, the rear end of the inflation tube extends out of the anal tube, and a plurality of water outlets are formed in the upper side of the flushing bag which is communicated with the front end of a first flushing tube; the rear end of the first flushing pipe penetrates out of the anal bag, excrementdrainage is smooth, the si