Abstract: Semi dry salted sea cucumber was dried using microwave vacuum method.Effects on drying rate，shrinkage rate and sensory quality of semi dry salted sea cucumber under different drying method and different microwave power density were studied.Results showed that the drying rate of continuous microwave vacuum drying mode was faster than intermittent，but the sensory quality of product was poor may duo to faster drying.Intermittent drying mode was moderate and could promote moisture migrate consistently between interior and exterior of sea cucumber，as well as the color and shape of product was found to be excellent.The optimal drying parameters of salted sea cucumber was observed at microwave power density of 0.65 Wg，degree of vacuum of 0.090 MPa and intermittent ratio was 10 s-on20 s-off.