The invention provides a multi-zone integrated seawater environment test device. The multi-zone integrated seawater environment test device comprises a device main body, wherein the device main body is of a combined frame structure, and comprises a full-immersion zone test frame, a tidal range zone test frame, a splashing zone test frame and a sample frame, each zone test frame is loaded with a sample frame, the full-immersion zone test frame is arranged at the lowermost part of the device, the tidal range zone test frame is arranged in the middle of the device, the lower end of the tidal range zone test frame is fixed on the full-immersion zone test frame, and the splashing zone test frame is fixed on the tidal range zone test frame. The multi-zone integrated seawater environment test device is simple and compact in structure, can simultaneously conduct a large number of material environment tests, can carry out environmental factor testing and material in-situ electrochemical testingsimultaneously, and can receive test data synchronously in a laboratory. By means of the multi-zone integrated seawater environment test device, evaluation and research of the conventional corrosionaging performance of the materials can be carried out in the open sea, related data are obtained, and basic data guarantee is provided for the material selection and design of open sea equipment and the conduction of indoor simulated marine environment corrosion research.