The invention discloses a handheld intelligent safety supervisor. The handheld intelligent safety supervisor comprises on-line people number query, position query, safety supervision data query and management, simple examination and approval and declaration and on-spot disposal devices; a handheld working machine comprises a data processing module; the data processing module is connected with a geographic orientation acquisition module, a data switching module, an infrared temperature measuring module, a data memory module and a two-dimension code recognizing module; and a power supply module provides a power source for the data processing module, the geographic orientation acquisition module, the data switching module, the infrared temperature measuring module, the data memory module and the two-dimension code recognizing module. The handheld intelligent safety supervisor is reasonable in structure, effective safety supervision and effective safety control are realized, and safety production is controlled really.