Besides, two protocols of quantum secret sharing for two qubits are also put forward: one protocol is based on a four-particle GHZ state, the other is based on a five-particle GHZ state.

• 还提出2个不同的双量子位的量子秘密分享方案：它们分别是用四粒子纠缠GHZ态和五粒子纠缠GHZ态来完成双量子位的量子秘密分享的。