Characteristic of microencapsulated camellia seed oil was studied. The oil was produced by spray drying,and used maltodextrin and soybean protein isolate( SPI) as the wall material. Fine surface of microcapsules were observed under scanning electron microscopy( SEM),and shriveled microcapsules were observed in 30 day under 40℃ and 60℃. This indicated that microcapsules cannot store up in long time and high temperature. The value of Tmof microencapsulated camellia seed oil was 157. 2 ℃ determined by differential scanning calorimetry( DSC). This showed good stability and broad application range. The value of decomposion of microencapsulated camellia seed oil was 280 ℃ determined by TG,which indicated the processing temperature can not exceed 280℃. The retention ration of microencapsulated camellia seed oil was measured at different temperature and relative humidity using Avrami's equation and result showed microencapsules should store up in lower temperature and lower relative humidity.