The invention discloses an intelligent street lamp based on the Internet-of-things. The intelligent street lamp includes a base and a cantilever; the base is installed below a lamp post, the right side of the bottom of the lamp post is provided with a control box, the control box is internally provided with a GPRS module, a circuit detector is arranged below the GPRS module, a central processor is arranged below the circuit detector, a voltage regulator module is arranged below the central processor, the cantilever is mounted on the right side of the top of the lamp post, and the right side of the cantilever is provided with an illuminating lamp. In the intelligent street lamp, a designed meteorological sensor can detect the temperature, humidity, PM2.5 value, wind speed, wind direction and rainfall capacity of the location where the lamp is located, the data are processed through the central processor, an electrical signal is sent to control the GPRS module to transmit the data to a database client, the client comprehensively analyzes the weather situation according to the data of street lamps, and the accuracy and the reliability are higher.