In order to understanding the sanitation and safety of polystyrene-paper-made disposible table services, eight manufacturing factories and markets all over the Taiwan were surveyed in this study, All the factories condition were recorded, including manufacturing process, sanitation, quality control, products storage…‥ etc. Thirty samples from factories and 133 samples from markets were collected and examined. The result shows that all samples conform to the general official standards for food-packaging plastics, and styrene monomer (SM) residue of them are all below the regulatory level of U.S., England, Holland, and Japan.