Siomay is steam hawker food made of mixure of fish and flour, supplemented with vegetables (cabage and bitter melon), potato and tofu. WHO 2001 declared that siomay is one of food hawker that can be a source of diarrhea, and contain many microbial pathogents. This survey research and quantitative analyses aims to determine the total number of microbial siomay sold around Mayestic trade centre …