Kinetic　studies　were　carried　out　on　CaWO4　thin　films　prepared　by　chemical　bath　deposition.　It　was　found　that　the　deposition　temperature　and　the　pH　value　of　the　solution　can　significantly　affect　the　reaction　velocity　constant　k.　From　these　kinetic　studies　we　can　clarify　the　dependence　of　experimental　parameters　on　the　growth　of　thin　films　and　provide　a　theoretical　view　to　control　the　process　of　the　deposition.