Aiming at the shortcoming of modern power plant flame image inspect system that is based on on_off logicals,the article design a new power plant flame image inspect system based on general video capture hardware. A best optimize image segmentation arithmetic is given for image pretreatment. Based on human cognize character, the paper puts forword a Weightiness Amend Coefficient(WAC). for the purpose of enhancing the intelligent and auto_adoptions to complex combustion condition, a new Cluster Center Initiative Optimize and Auto_adoptions Rework arithmetic is put forword. At last, the experimentation result is given.