But the gift contract is a unilateral and gratuitous contract. So to protect the donator's benefit the Law should allow the donator to have the right ofrevocation in some special situation.
但因赠与合同系单务、无偿合同，所以为维护赠与人的利益，法律应于特殊情形下，允许赠与人撤销赠与。
2
The article makes a study of its formation, the right of revocation, donee's right of defence, considering the legislation practice of contract law.