Gastroscopy mask capable of assisting ventilation

The utility model relates to the field of medical supplies, in particular to a gastroscopy mask capable of assisting ventilation, which comprises a mask body provided with a mounting part. A gastroscope inlet pipeline is arranged on the mounting piece; the two ends of the gastroscope inlet pipeline are provided with an oxygen supply pipeline and an occlusion object respectively, and the oxygen supply pipeline and the occlusion object are arranged on the two sides of the mask body respectively. The oxygen supply pipeline is communicated with the gastroscope inlet pipeline; the occlusion object is arranged at one end of the mask body positioned on the face; the occlusion object comprises an upper bite block and a lower bite block, and the two ends of the upper bite block are connected with the two ends of the lower bite block; an upper support and a lower support are arranged between the upper bite block and the lower bite block; connecting pipes are arranged in the middles of the upper bite block and the lower