Is it a resignation report or a health certificate for migrant workers to go to the construction site for physical examination?

Neither.

Physical examination is not a health certificate, but a health certificate can be obtained. There are many kinds of physical examinations, some of which are applied for jobs and need to be examined before entering the job. General physical examination is reported directly.

On-the-job physical examination package of on-site collective physical examination items: The items include general examination, internal medicine, surgery, blood routine, urine routine, two items of liver function, one item of renal function, chest X-ray and electrocardiogram.