Endoscope with light guide sleeve

The utility model relates to an endoscope with a light guide sleeve, which comprises a light guide sleeve used as an optical transmission medium, a pickup unit and a connecting seat. The pickup unit is sealed in the front end of the light guide sleeve and is used for transmitting an image onto external display equipment by a wire arranged in the light guide sleeve; the tail end of the light guide sleeve is arranged in the connecting seat and is connected with a light source. Therefore, the transmission of a light source is carried out by the light guide sleeve and light is transmitted to the most front end of the endoscope and is directly irradiated at a required position; the endoscope has a simple structure and a good illuminating effect; a shot image is clear; the size of the endoscope is reduced; the endoscope is convenient to insert into an object with a narrow space, is convenient and rapid to operate and is particularly outstanding when being applied to the aspect of medical treatment; the pain of a patient is reduced; the damage is also avoided; moreover, the pickup unit can be folded according to a required installation space so that the size of the endoscope is further reduced; and a camera is connected with a flexible circuit board into one whole body in an angle adjustable mode, so that the endoscope is more flexible and convenient to install.