A constant-temperature and constant-humidity maintenance chamber container structure comprises a container body. A longitudinal partition wall is arranged in the container body and divides the inner space of the container body into a maintenance room and an operation room. The maintenance room and the operation room are communicated with each other; a test block frame, a first air conditioner anda humidifier are arranged in the curing room; an illuminating lamp is arranged on a top plate of the curing room; a test mold storage rack, a power supply box, a second air conditioner and a constanttemperature and humidity controller are arranged in the operating room; the constant temperature and humidity controller is electrically connected with control switches of the humidifier, the first air conditioner and the second air conditioner; an illuminating lamp is arranged on a top plate of the operating room; and a group of floor drains are arranged on a bottom plate of the curing room at intervals. According to the utility model, the technical problems of long construction period and resource waste caused by waste of manpower and material resources in erection and disassembly of the traditional portable house are solved.