The aims of this research are: 1) to study the marketing mix factors that affect the selection of the white shrimps species. Charoen Pokphand Foods PCL. in Amphoe Leamngop in Trat 2) to compare the marketing mix factors affecting the selection of the baby white shrimp species at Charoen Pokphand Foods PCL. in Amphoe Leamngop in Trat. The personal factors of genders, age and educational levels were studied in this research.