1. Evolution of the complaints system The people’s complaints system is a mechanism of democracy and human rights relief under the traditional legal system of China. It has displayed positive roles during different historical periods after 1949 when the new China was founded. 1. Evolution of the complaints system The people’s complaints system is a mechanism of democracy and human rights relief under the traditional legal system of China. It has displayed positive roles during different historical periods after 1949 when the new China was founded.