Cell loss concealment techniques are necessary to recover the quality of picture degraded by cell loss in asynchronous transfer mode (ATM) networks. In this paper, we propose a selective cell loss concealment technique for two-layer video codec. The proposed scheme can be divided into two steps: First, we classify the lost blocks into two groups by using the information of the existance of base-layer data. The first group includes the blocks of which the base-layer data are not present, and the second one includes the rest blocks. We can think that the lost blocks in the first group are highly correlated with the motion-compensated previous blocks, but those in the second group are not highly correlated. Hence, the motion-compensated previous blocks can be used for the lost blocks in the first group, and a new concealment technique combining a spatial concealment and base block is proposed for the blocks in the second group. Simulation results show that as the bit rate of base-layer data increases, the conventional schemes are worse than the normal decoding. But, the proposed scheme results in better performance than both the conventional schemes and the normal decoding scheme regardless of the bit rate of base-layer data.