This thermal camera utilizes a visible light and thermal imaging dual pathway design to provide an all-in-one video surveillance solution. It supports 18 kinds of thermal imaging pseudo-color modes, and supports mixing line intrusion, area intrusion, vessel detection, engineering vehicle detection preferably with a variety of intelligent analysis functions. It can be widely used in scenarios that require mid-range and long-distance surveillance, such as field fire prevention, cultural and museum fire prevention, border and sea defense detection, stations, airports, city security, port terminals, river and lake monitoring, and fishing ban.