Abstract: China's seed market has leaped into the front ranks of the world. However, China does not have a strong seed industry. Compared with world-class counterparts, the scale of most of China's seed companies is very small with weak STI. After multinational corporation entering China, China's domestic seed industry encountered unprecedented pressure. Through analysis the trend of STI in seed industry in foreign countries, this thesis proposes some suggestions on how to promote China's domestic seed industry.