The present invention discloses a workshop environment monitoring system on the basis of internet of things. The workshop environment monitoring system on the basis of the internet of things comprises a dust concentration sensor, a smog concentration sensor, a temperature sensor, a humidity sensor, a wind speed sensor, a central processing unit, a network data server, a management client and a hand-held APP smart terminal. The dust concentration sensor, the smog concentration sensor, the temperature sensor, the humidity sensor and the wind speed sensor are connected with the central processing unit, the central processing unit is connected with the network data server through wireless medium, and the network data server is connected with the management client and the hand-held APP smart terminal through wireless transmission medium. Through adoption of the internet of things, the workshop environment monitoring system on the basis of internet of things is able to perform identification and recording of types of data in the workshop environment and form the data analysis report of the workshop environment for management decision, is low in cost, convenient for usage, high in efficiency and wide in popularization prospect and the like.