Hehe, this classmate, in fact, one-inch formal dress photos are used to stick on the job application form provided by the company, while life photos are used to decorate your resume. As for requirements, clarity is the first requirement, which is very important. Secondly, clothes don't need to be too formal (because they are photos of life, they can usually be worn normally), and their expressions should be natural and spiritual, so as to meet the requirements, not.