The invention provides a multitandem valve device which comprises a valve body, a first reversing valve, a second reversing valve and a first overflow valve. The valve body is provided with first to sixth oil ports, the first reversing valve is provided with first to fourth working oil ports, the first working oil port is connected with the first oil port, the second working oil port is connectedwith the second oil port, and the third working oil port is connected with the third oil port; the second reversing valve is provided with fifth to eighth working oil ports, the fifth working oil portis connected with the fourth working oil port, the sixth working oil port is connected with the second oil port, the seventh working oil port is connected with the fifth oil port, and the eighth working oil port is connected with the sixth oil port; and the first end of the first overflow valve is connected with the fourth oil port, the second end of the first overflow valve is connected with thesixth oil port, and the first overflow valve is used for achieving normal opening of the fourth oil port and the sixth oil port. According to the multitandem valve device in the embodiment, the structure is simple, the manufacturing cost is low, and automatic control over a double-cylinder pivot plow can be achieved.