Vibrio parahaemolyticus is a marine seafood-borne pathogen that causes gastrointestinal disorders due to consumption of raw or undercooked seafood and However, it is ubiquitous in many brackish coastal environments of most continents, and infections associated with seafood contaminated by this pathogen have occurred throughout the world and At present, outbreaks of V. parahaemolyticus infections are a significant public health concern in many countries, including China, Japan, and the United States and Obviously, controlling the amount of V. parahaemolyticus in seafood is an effective way to prevent infection by this pathogen. Thus, it is important to determine the levels of V. parahaemolyticus in seafood.