3、a new methodfor dataacquisition andtransmission.Thispaper istoexplore andstudy a IOTbased dataacquisitionterminal.ThesystemiscomposedofMCUcontrolmodule, AD dataacquisitionmodule,LCDmodule, clockmodule, temperature module, wireless communicationmodule.Itcanrealizeaccurate real-time fielddata.Keywords