According to relevant regulations, employees engaged in food, medicine, cosmetics, public places, drinking water, disinfection products, centralized disinfection of tableware and other related industries can apply for health certificates free of charge. When applying for a health certificate, individuals need to provide the original identity certificate, a copy of the business license of individual industrial and commercial households, a letter of introduction from the unit, a notice to apply for a health certificate or a list of employees of the unit. Only by providing complete materials and meeting the requirements of related industries can you enjoy free health certificate processing services.