Is it reasonable for the unit to deduct the health certificate 200 yuan?

Unreasonable. The expenses of occupational health examination shall be borne by the employer, and it is unreasonable for the employer to deduct the health certificate 200 yuan. Workers can be inspected by the unit in a unified way, or they can be inspected separately with a letter of introduction from the unit; The relevant information required for inspection shall be truthfully provided by the employing unit, and the inspection expenses shall be borne by the unit.