The practical oriented smart helmet is a wearable equipment for single policeman. The wearer can control the helmet through voice, smart watch, auxiliary application, etc. That integrates intelligent information recognition, intelligent control, intelligent translation, GPS, duty record and real-time information exchange between commander and policemen, that simplifies the process and equipment. For example, it can detect and identify parked vehicles in 2.5 seconds in real time, and data can be uploaded in real time. It is an intelligent and informative individual AI wearing equipment. The helmet modular combination is suitable for the mass industrial production of basic police equipment. In addition, The product adopts the combination of ergonomic design technology and aircraft gravity cloud chart design, which can ensure the strength and toughness of helmet and goggles, improve the wearing comfort and reduce the weight. The product adopts advanced array optical waveguide AR glasses display technology, so that the wearer can read the picture, text or map information displayed on the screen clearly in real time, and without contact on duty.