The invention discloses a reaction agitated vessel allowing feeding to be conducted at the bottom. The reaction agitated vessel comprises a vessel body and a vessel cover. The vessel body comprises an inner vessel main body and an outer vessel main body. The vessel cover is arranged at the upper end of the inner vessel main body and the upper end of the outer vessel main body in a covering mode. The inner vessel main body is sleeved with the outer vessel main body. A feeding pipe is arranged between the inner vessel main body and the outer vessel main body. The lower end of the feeding pipe is located on the lower portion of the inner vessel main body. The upper end of the feeding pipe penetrates through the vessel cover to be located outside the vessel cover. A liquid inlet hole is formed in the lower portion of the inner vessel main body. An annular push plate used for plugging the liquid inlet hole is arranged between the inner vessel main body and the outer vessel main body. The inner wall of the annular push plate is matched with the outer wall of the inner vessel main body. The outer wall of the annular push plate is matched with the inner wall of the outer vessel main body. The inner wall of the annular push block is connected with the inner vessel main body in a sliding mode. The outer wall of the annular push block is connected with the outer vessel main body in a sliding mode. The reaction agitated vessel capable of preventing a liquid adding pipe from being damaged is provided to solve the technical problems.