It is now entering the knowledge-based economic era globally. In the new era, the real dominant resources and decisive production factors are not capital, land, or labor, but knowledge. In such an era, knowledge workers play critical roles in the business activity. Employees with knowledge would become the human capital of a company. High-tech industry has got in the giant competition era. Under the global competition and the constant innovation of knowledge-based economy, it becomes a worth discussing issue for high-tech businesses maintaining or enhancing the fi rm competitiveness. Aiming at high-tech industry, the supervisors and employees of high-tech businesses in Shanghai are distributed 420 copies of questionnaire. Total 322 valid copies are retrieved, with the retrieval rate 77%. The research results show signifi cantly positive eff ects of 1.human capital on organizational innovation, 2.organizational innovation on organizational performance, and 3.human capital on organizational performance. According to the results, suggestions are proposed, expecting to help high-tech businesses, when encountering the challenge in the industrial environment, create more performance and benefi ts to achieve the sustained-yield management.