| The article gives an account of the system's formation of legitimate child's renouncement and illegitimate child's recognition, which is one of the most important Laws of Domestic Relation.Starting with the cases of legitimate child's renouncement from the domestic to the overseas, the article analyses present circumstances of legitimate child's renouncement system all over the world. With the comparison of respective legislation's advantages and disadvantages, the paper focuses on the studies of illegitimate child's status of our country and states the necessity to set up legitimate child's renouncement system in our country. The paper orientates the system structure from the ethic, social and law points of view and analyses the feasibility of the system as well as the relationship between legitimate child's renouncement and illegitimate child's protection. And it also analyses legal effects to practice the system of legitimate child's renouncement. On the basis of studies above mentioned, the article demonstrates legislative consumptions to establish the system in our country.The paper legally defines some relative concepts, such as legitimate child, illegitimate child, legitimate child's legal presumption and renouncement, as well as the meanings of recognition and legitimation; It also defines legitimate child's right body, structure factors and its applicable conditions;The article makes it definite that legitimate child's status and legal application is;As for the renouncement of legitimate child, the paper defines its limitation in time, right perdition and relevant almsgiving measurements. Finally, the paper advances legislative consumption in detail to perfect the system of legitimate child's renouncement in China and also concretely makes some legislative suggestions. |