The utility model relates to a coal preparation plant handheld-type wireless patrol inspection instrument comprising a handheld shell, wherein a wireless patrol inspection system is inlaid in the handheld shell, and the wireless patrol inspection system comprises a main control module, a bar code scanning module, a liquid crystal display module, a power supply management module and a communication module. The coal preparation plant handheld-type wireless patrol inspection instrument disclosed by the utility model is clear and simple in structure, and ensures that real-time and historical operating parameters (including motor rotation speed, load, temperature, oil levels, pipeline pressure and the like) can be downloaded to be displayed from an upper computer by scanning a two-dimensional code marked on coal preparation plant equipment; safety inspectors can judge whether the equipment is normally operated or not by comparing and checking the operating parameters with standard parameters; and patrol inspection can be completed by clicking a command button on the patrol inspection instrument, or alarm information can be sent to a management platform of the upper computer by clicking the command button on the patrol inspection instrument. The coal preparation plant handheld-type wireless patrol inspection instrument disclosed by the utility model can be used for downloading the operating parameters of the equipment in real time, and can be safely applied to the patrol inspection operation of the coal preparation plant equipment.