Useful proofs include: ① Fresh graduates can fill in the scholarship certificate during their stay in school to prove your performance during your stay in school. Scholarship certificates during school include professional scholarship certificates, outstanding student certificates and outstanding student cadre certificates. (2) Job-related qualification certificates (professional certificates) can increase the competitiveness of job hunting. Qualification certificates include: post qualification certificate, computer certificate, CET-4 and CET-6, and IT competency certificate. It should be noted that different companies have different degrees of recognition of certificates, so it is necessary to find out in advance what kind of certificates the applicant company recognizes.