Abstract: In the era of knowledge-based economy, the intellectual capital that becomes strategically important resource has replaced the traditional factors of production. How does the intellectual capital affect the performance of Small and Medium-sized Enterprises(SMEs)? The concept model that indicats the relationship between intellectual capital and the performance of SMEs is brough up. Through a questionnaire survey and data collection, a comprehensive study on the effect of the intellectual capital on SME market capacity, technological innovation ability, and financial performance is made. At the same time, the effect of the relevance of intellectual capital elements on the corporation performance is analyzed and related conclusions are obtained.