Diploma and degree certificate photos are generally one inch with a blue background.
All kinds of examination certificates, such as teacher qualification certificate, Putonghua grade certificate, computer certificate and CET-4 and CET-6, require one-inch photos on a white background.
In general, it is enough to prepare one version of photos, about eight, and more photos are needed in the school year and graduation season.
There are many places in the university that need photos. When you first enter the university, you need an inch of photos to join the club.
Then, all kinds of student status files, certificates of various grades, diplomas and bachelor's certificates upon graduation need photos. The photos on resumes are generally 1 inch, and occasionally two-inch photos are used, but full-body photos are generally not needed unless there are some special professional requirements.