Multi-channel single-port separation sample tube

The utility model relates to the technical field of excrement detection, and particularly discloses a multi-channel single-port separation sample tube which comprises a bottle body, a separation valve and a bottle cap, a bottle opening is formed in the top of the bottle body, and the bottle cap is arranged on the bottle opening and provided with a first liquid outlet channel communicated with the outside; the separating valve is arranged in the bottle opening and connected with the inner wall of the bottle opening, one end of the separating valve extends into the bottle body, the separating valve is of a hollow structure to form a sample feeding channel, and a second liquid outlet channel is formed in the outer wall of the separating valve; the bottle cap is connected with a sampling rod, when the sampling rod is inserted into the sample feeding channel, the sampling rod seals the sample feeding channel, and the first liquid outlet channel, the second liquid outlet channel and the containing cavity are sequen