Collector for cancer cell of full digestive tract

The invention discloses a collector for a cancer cell of a full digestive tract, belonging to the technical field of medical apparatus and instruments. After being swallowed, the collector as large as a soybean can collect cancer cells in each visceral organ of a full digestive tract during of the process of entering into an esophagus, a stomach, a small intestine, a colon and a rectum; the collector mainly comprises an axis part and a surface layer structure; the surface layer structure of the collector is in a hairbrush shape, a mesh shape and a blade shape; and a groove is arranged between a blade and bristles, and the cast-off cancer cells are clamped in the groove and drained out of a body along with the collector. The collector is convenient and safe to use, patients suffer no pains, the inspection cost is low, and the collector is convenient for popularization in large range and can be applied to routine inspection of a digestive tract.