Full-scene patrol, full-body explosion-proof design, with visible light and infrared thermal imaging, gas laser telemetry, gas detection sensor mounting and other functions. Autopilot combined with advanced combined navigation includes visual assistance, RTK, and laser navigation. It can analyze and alarm the leakage and other abnormal states of field equipment such as instruments, valves, level gauges, etc. in various indoor and outdoor environments. When the power is low, it can automatically return to charge. Especially in the production and storage of inflammable and explosive dangerous goods, manual inspection can be replaced with ease to ensure the safety of personnel and equipment.