The present invention provides a fecal specimen collector. The fecal specimen collector consisting of a top cover, a bottle body, a specimen output end and a bottom cover, wherein a lower portion of the top cover forms a sampling end which may be inserted into the bottle body through an upper end of the bottle body, the top cover is connected with the upper end of the bottle body, the specimen output end is hermetically coupled with a lower portion of the bottle body, and the bottom cover surrounds the specimen output end and couples to the bottle body, wherein a convex is formed on the inner center of the bottom cover, and is inserted into a specimen output port of the specimen output end. The fecal specimen collector according to the present application has a small and delicate structure which has the advantages of easy operation, convenient portability and pollution free, etc.