For the characteristics in technology science teaching, the author proposed a novel teaching thought KM teaching theory at the end of 2010 for the first time at home and abroad based on nearly 20-year teaching practice.KM integrates Knowledge Logic Structure (K) and Learning in Mind Form (M) in the micro structure and macro formation respectively.Moreover KM covers independent innovation teaching form, teaching content and structure optimization, teaching methods reform, and creative ability strengthening.The teaching practice certifies that KM teaching theory effectively improves the teaching quality and enhances learning efficiency and results.