Abstract: Folk think-tank is becoming the very important component of the new think-tank with Chinese characteristics, and its effective development will greatly promote the development of Chinese think-tank. This paper summarizes the current development of folk think-tank, teases out the internal and external factors affecting the development of folk think-tank, effective, and construct the folk think-tank effectiveness evaluation index system, and gives some suggestions on how to improve the effectivity of Chinese folk think-tank.