The invention discloses a controllable capsule endoscopy, and solves the problem that the position and the time of the capsule endoscopy cannot be controlled manually in the prior art. The controllable capsule endoscopy comprises a capsule endoscopy, a connecting device, a soluble line and a connecting line, wherein the connecting device is arranged at the tail end of the capsule endoscopy, the connecting device is further connected with the soluble line, the connecting line for pulling the capsule endoscopy is connected with the soluble line, and the diameter of the connecting line is not more than 2 mm. When in use, the capsule endoscopy can be pulled by controlling the connecting line, can stay at any position for a long time, and can be positioned at the position required by a doctor to take more images, so as to meet the diagnosis requirement of the clinician. Otherwise, according to the controllable capsule endoscopy provided by the invention, the soluble line can be melted and the connecting line can be pulled out after a certain time checking of the intestines and the stomach, then the capsule endoscopy is naturally separated with the connecting line, and further checking to the remote end intestines and stomach is conducted, and after checking, the capsule endoscopy can be removed from the body.