Neither.

The e-commerce major (e-commerce major) is a new interdisciplinary discipline that integrates computer science, marketing, management, economics, law and modern logistics. It belongs to the e-commerce category, and the subject categories are management, economics, and law.

This major cultivates e-commerce professionals who master the basic theories of computer information technology, marketing, international trade, management, law and modern logistics, use the Internet to carry out business activities, and use computer information technology to improve enterprise management.

The electronic information engineering major is a major in electronics and information engineering. Engineering technology engaged in the research, design, manufacturing, application and development of various electronic equipment and information systems. E-commerce does not belong to the "electronic information engineering major", nor does it belong to the engineering economics category.