A method of preparing shrimps comprises the following steps: Steam boiling the shrimps at a high pressure exceeding the atmospheric pressure, and at an elevated temperature exceeding the boiling temperature of water at the atmospheric pressure for a specific period of time for keeping the meat of the shrimps in a compressed state due to the pressurisation while rapidly heating the shrimps to the elevated temperature for causing the meat of the shrimps to solidify and cause the meat of the shrimps to loosen from the shells of the shrimps. The shrimps are then rapidly cooled to a temperature to or below the atmospheric temperature for causing substantially all meat of the shrimps to be separated from the shells of the shrimps between an area behind the head of the individual shrimp and a part above the tail of the individual shrimp. Subsequently, the shrimps are peeled by mechanically opening the shells of the shrimps for allowing the meat loosely contained within the shells of the shrimps to fall out from the shells of the shrimps, and the meat of the shrimps is separated from the remainings of the shrimps, including the shell parts and any eggs by flotational separation of the meat from the remainings by introducing the meat and the remainings into a separation liquid such as a brine solution, including a specific amount of NaCl by weight for causing the meat to float on the separation liquid while allowing the remainings of the shrimps, including the shell parts and any eggs to sink. Finally, the meat is removed from the separation liquid.