1. Check each other's background and experience, such as education, work experience and skills, to ensure that they have the knowledge and skills suitable for the position.
2. Observe each other's attitudes and behaviors, such as politeness, self-confidence, patience, professionalism, etc., to ensure that good relations can be established with colleagues and customers.
3. Ask about the culture, values and goals of the other company to ensure that it conforms to the company's values and culture and can contribute to the company's goals.
4. Ask some situational questions and ask each other how to solve these problems, so as to understand their problem-solving ability and way of thinking.
Finally, according to the interview results and considering the above aspects comprehensively, you can make a decision on whether to hire this person.