A method for decoding a video according to the present invention may comprise: determining whether to divide a current block with quad tree partitioning, determining whether to divide the current block with binary tree partitioning when the current block is not divided with the quad tree partitioning, determining a binary tree partition type for the current block when it is determined to divide the current block with the binary tree partitioning, and dividing the current block into two partitions according to the determined binary tree partition type.