China Institute of Electronic Science is an important research institution in China's electronic industry, with rich scientific research experience and technical strength. The institute has outstanding research achievements and professionals in the fields of electronic science, communication technology and information security. At the same time, China Institute of Electronic Science has cooperated with many universities and enterprises at home and abroad, forming a good scientific research cooperation network. In contrast, the Ninth Institute of Aerospace has certain advantages in the field of aerospace technology, but its research strength in electronic science and communication technology is relatively weak. Therefore, on the whole, China Institute of Electronic Science is better.