What do you need to prepare for cs majors to participate in the recruitment of American universities?

Get the list of companies that come to the job fair in advance.

Do research on the companies according to the list and choose all the companies that recruit your major.

Summarize all the positions recruited by these companies (if the company clearly wrote the positions recruited)

See which companies offer internship opportunities.

Prepare your resume in advance (making a resume is a big project)

Print out a dozen copies (depending on how many companies there are)

At the job fair, find the right company, send your resume and ask some questions you are interested in. For example, first introduce yourself, which grade, what major, what you are good at, and what relevant experience you have before. Ask the company about the specific recruitment position, what skills are needed, the time and duration of entry, and so on. In short, ask if you are interested, mainly the process of communicating with recruiters.

Good luck to the landlord!