The intelligent temperature control system (ZDLC series) of Ze Da refrigerated truck manufacturer adopts GPRS temperature and humidity transmitter+GPS positioning system to collect real-time vehicle driving status, location information, and temperature and humidity data inside the cargo box, and upload them to Ze Da cold chain cloud platform in real time through mobile network. Users can monitor and analyze vehicles in real-time through web, mobile apps, and other means, and print temperature and humidity data reports through portable printing devices during delivery to quickly complete delivery verification.