At present, China is facing long-term serious employment pressure. The unemployment insurance system, as the most important institutional arrangement for workers to obtain employment, is one of the fundamental means to reduce unemployment. The key to easing employment tension is how to improve the construction of unemployment insurance system and achieve the effects of promoting employment. This article analyzes the unemployment insurance system’s effects of promoting employment from the following aspects: vocational training subsidies, job introduction subsidies and balance of the unemployment insurance fund, whose results contribute to perfecting the unemployment insurance system and promoting employment.