从1978年到1988我国QC小组发展经历了十年的历史。其特点,一是前五年发展速度快每年都是成倍增长;二是后五年发展处于稳步阶段,QC小组活动为企业创造的经济效益总的趋势是增加的,从1984年的26亿元增加到1988年的74亿元,增长近三倍。但是从1987年到1988年经济效率从90亿元下降到74亿元,下降16亿元。 From 1978 to 1988, the development of QC team in China experienced ten years of history. First, the development speed of the first five years is doubled every year. Second, the development of the latter five years is in a steady stage. The overall economic benefits created by the QC group activities for the enterprises are increasing. From 1984, 2.6 billion Yuan increased to 74 billion yuan in 1988, an increase of nearly three times. However, from 1987 to 1988, the economic efficiency dropped from 9 billion yuan to 7.4 billion yuan, down 1.6 billion yuan.