Seed oiI from Camellia oleifem extracted with different methods(supercritical CO2，microwave，ultrasonic，and squeezing)was analyzed by GC-MS．Chemical composition ofthe seed oil extracted with the three methods was similar except squeezing． However, vitamin E and squalene were not found in the constituents extracted by squeezing．It is suggested that the extraction with supercritical CO2 is an ideal method by which the oil is up to the first degree of national standard． Physical and chemical properties， and the constituents of the oil extracted by these methods are tabulated．
