The medical device industry involves many industries such as medicine, machinery, electronics, and plastics. It is a multidisciplinary, knowledge-intensive, and capital-intensive high-tech industry. The basic characteristics of high-tech medical equipment are digitization and computerization. It is the crystallization of multi-disciplinary and cross-disciplinary modern high-tech. Its products have high technical content and high profits. The barriers to entry are high. Even in sub-sectors where the overall gross profit margin of the industry is low and the investment is not high, products with high technical content will continue to appear, and some companies with strong profitability will be nurtured from it. Therefore, the overall trend of the industry is high investment and high income.