The invention provides an electronic 
endoscope with an externally rotatable camera. The electronic 
endoscope comprises the electronic camera, a wire band, an externally rotating 
assembly, a mirror and an operation part; the electronic camera is movably connected with the mirror through the externally rotating 
assembly and connected to the end portion of the wire band, and the other end portion of the wire band penetrates through mirror and is connected with the operation part; one end of the externally rotating 
assembly is connected to the electronic camera or the wire band, the other end of the externally rotating assembly is connected with the operation part, and the middle of the externally rotating assembly is movably connected to the tube wall of the mirror. According to the electronic 
endoscope with the externally rotatable camera, a 
tail-end channel can be enlarged; compared with existing endoscopes, the 
diameter of the existing endoscopes can be maintained, and on the premise of not affecting the endoscope to successfully enter the 
human body, the endoscope can enlarge the 
tail-end channel after going through the narrow section of the channel of the 
human body, so that more apparatuses go through conveniently, larger 
foreign bodies are taken out and flushing is conducted more smoothly.