What is the best hygiene procedure in hotel industry?

IN THE HOTEL OR CATERING OR RESTAURATION INDUSTRY ALL MUST BE DAILY CLEAN AND WELL PREPARED FOR THE GUEST TO FEEL GOOD AND THAT WANT ALWAYS TO RETURN TO OUR HOTEL. WE MUST ALL TO FIDELITY THE GUEST.

wE MUST GIVE THE MAXIMUM INFORMATIONS ABOUT OUR SERVICES AND OUR HOTEL AND ALL THE PLEASURE THAT HE CAN TO GET FROM IT  AND SPEAKING ALSO ABOUT THE FOOD, THE CULTURE AND ALL THAT MADE THAT THE GUEST WANTED TO RETURN.

Good practices of hygiene are essential for food preparation, not only in .... about personal hygiene in hospitality industry, how do I go about it.