In　this　paper,　a　prediction　model　for　the　crystallization　fouling　was　proposed　on　the　basis　of　the　Kern-Seaton　model　for　the　heat　transfer　and　fouling　process　in　circulated　cooling　water.　The　fouling　deposition　and　removal　process　were　analyzed,　respectively,　for　the　fouling　process,　on　which　the　coupling　effects　of　the　scale　layer,　temperature　and　ions　concentration　were　considered.　The　model　calculation　may　predict　the　fouling　resistance　variations　in　fouling　process,　which　were　in　good　agreement　with　experimental　data　from　references　within　a　range　of　given　conditions　especially　for　the　turbulent　flow,　indicating　the　model　applicability　for　actual　process.　Since　the　model　can　be　used　without　requirement　of　a　large　amount　of　measured　data　for　fitting,　it　gives　a　more　convenient　way　for　predicting　fouling　process　of　heat　exchangers　in　industry.