The invention discloses a multifunctional endoscope for stomach detection, and particularly relates to the field of stomach detection. The multifunctional endoscope comprises a connecting pipe, an outer ring is arranged at one end of the connecting pipe, a connecting ring is fixedly mounted at the other end of the connecting pipe, one end of the connecting ring is provided with a knob, and the outer surface of the knob is provided with a thread. According to the invention, the outer ring, a micro camera, an inner ring and a first connecting shaft are arranged, during use, the micro camera on the outer ring is turned on, the outer ring is in an unfolded state, the visual field of the micro camera is increased, therefore, the micro camera can capture the situation of the stomach more comprehensively, when the micro camera is in a working state, illumination at one end is turned on to work, after detection is completed, a first torsional spring on the connecting shaft can drive the outerring to be folded inwards, the micro camera on one side of the outer ring is buckled on the inner ring, the space is reduced, the endoscope can be conveniently taken out of the stomach, and meanwhilethe micro camera is protected to a certain degree.