The entropy method,coefficient of variation and coupling coordination model were used to analyze the regional scientific and technological innovation,economy and environment in China from 2002 to 2016. Their regional differences decrease in fluctuation;Scientific and technological innovation,economic and environmental two-component system and three-component system coordination are all on the rise. Until 2016,the ternary system coordination level of all regions failed to reach the high quality coupling coordination level. The ternary systematic coupling of scientific and technological innovati...