BiFeO3　powder　was　synthesized　in　NaCl　media　at　temperature　range　from　700　to　800　A　degrees　C,　using　Bi2O3　and　Fe2O3　as　raw　materials.　Effects　of　calcining　temperature　and　salt　ratios　on　the　synthesis　of　BiFeO3　powder　had　been　investigated.　It　was　found　that　NaCl　effectively　promoted　the　formation　of　BiFeO3.　Almost　pure　BiFeO3　phase　with　a　very　small　amount　of　Bi2Fe4O9　phase　was　synthesized　at　750　A　degrees　C　with　salt　weight　ratios　of　1:1.　A　large　amount　of　BiFeO3　phase　decomposed　to　Bi2Fe4O9　and　Bi25FeO39　phase　when　the　temperature　was　up　to　800　A　degrees　C.　In　the　present　method,　the　calcining　temperature　played　an　important　role　in　the　formation　of　BiFeO3　phase.　BiFeO3　ceramics　derived　from　molten　salt　method　were　prepared　and　exhibited　the　higher　dielectric　constant.