The food hygiene management by dealer becomes important as the food service develops very fast. Good food service hygiene can reduce food poisoning. Rating system for food service has been operated to improve food hygiene in foreign countries with good result. The restaurant sanitation assessment was operated by Food and Drug Administration, Department of Health in 2010 except for Taipei and Kaohsiung city and the passing percentage is 64.7%. The best passing rate is Taipei County (New Taipei City) followed by Taichung and Miaoli Counties. The major food service passing assessment is restaurant. Restaurant sanitation assessment could encourage dealer to manage food hygiene, improve food service hygiene quality and thus protect people health.