Multifunctional endoscopic treatment device

The invention discloses a multifunctional endoscopic treatment device which comprises a shell, an endoscopic injection needle, a snare and a pair of hot biopsy forceps are mounted in the shell, each of the endoscopic injection needle, the snare and the hot biopsy forceps comprises an operating handle and a main body connected with the operating handle, and each operating handle is exposed out of the upper end of the shell. And each main body is positioned in the shell, independently extends out of the front end of the shell through operation of an operating piece and is hidden in the shell in a reset manner. According to the multifunctional endoscopic treatment device, the endoscopic injection needle, the snare and the hot biopsy forceps can enter the endoscopic accessory channel along with the shell at the same time, do not need to be matched one by one, and do not need to be delivered to a surgeon one by one by an assistant, so that the efficiency can be improved, and the operation process can be shortened.