The invention discloses a novel environment monitoring device, which comprises a control box body, the interior of the control box body is provided with a partition, and the inner bottom surface of the control box body is provided with a storage battery, a processor, a storage device, a WIFI connector and a /D converter, the storage battery, processor, storage, WIFI connector and A/D converter are located under the partition, and the center of the upper surface of the partition is equipped with an electric telescopic rod, which can drive the two The upper end of an L-shaped connecting frame is opened, and drives the connecting seat to move upwards, so that the temperature sensor, dust sensor, humidity sensor and decibel meter extend out of the control box. In rainy days, water can be prevented from entering the control box, effectively The electrical components are protected. The new environmental monitoring device has a simple structure and is easy to operate. It can not only protect the electrical components, but also make the service life of the device longer, and does not affect the detection results of the electrical components.