1. Family members: including the number, name, age, education level, occupation and other information of family members. This information can reflect the applicant's family background and family education environment, and has certain reference function for evaluating the applicant's background and qualification.

2. Family economic status: including family income, property, real estate and other information. This information can reflect the applicant's economic situation, and has certain reference function for evaluating the applicant's economic ability and stability.

3. Family members' professional ethics: including family members' work attitude, sense of responsibility, integrity and other information. This information can reflect the applicant's professional ethics and family influence, and has certain reference function for evaluating the applicant's professional quality and professional stability.

4. Physical health status of family members: including health status and disease history of family members. This information can reflect the applicant's physical health status and health management awareness, and has a certain reference role in evaluating the applicant's work ability and health risks. Librarian is a profession. Librarians need to sort out, code and store thousands of books and poems for the convenience of readers. Although the work is trivial, the librarian can read more books by the water.