Content Chapter I Introduction........... .1 1.Research Background 2.Research significance............. 2 Chapter ll Literature Review and Theoretical Principle ..............4 1.Literature Review...... 4 2.Theoretical Principle......... 9 Chapter II Research Design.1. 1.The Definition of Concepts.. 12 2.Research Subject and Method ....... …14 3.Research framework and content......... 15 ChapterIV Case Analysis and Research Findings...........16 1.Project Description...... …16 2.Research on the needs of Single-mother..... 17 3.Analyze on Social Assistance Service.... 24 4.Existed Problems............. 36 …40 Chapter V Research Conclusion and discussion..45 1.Research Conclusions.............. .45 2.Research Limitations... 48 References..... 50 Acknowledgements 54Content Chapter I Introduction………………………………………………………………1 1．Research Background………………………………………………………………………………··1 2．Research significance…………………………………………………………………………………2 Chapter II Literature Review and Theoretical Principle……………·…4 1．Literature Review……………………………………………………………………………………。4 2．Theoretical Principle…………………………………………………………………………………9 Chapter I：ii Research Design……………………………………………………·-12 1．The Definition of Concepts………………………………………………………………………12 2．Research Subject and Method…………………………………………………………………·14 3．Research framework and content……………………………………………………………“15 ChapterIV Case Analysis and Research Findings………………………··16 1．Project Description………………………．．………………………………………………………··1 6 2．Research on the needs of Single—mother……………………………………………………17 3．Analyze on Social Assistance Service……………………………………………．…．………．24 4．Existed Problems……………………………………………………………………………………．．36 5．Solutions…．………………………………………………………………………………………………40 Chapter V Research Conclusion and discussion…………………………··45 1．Research Conclusions………………………………………………………………………………45 2．Research Limitations………………………………………………………………………………．48 References…………………………………………………………………………………50 AcknowIedgements……………………………………………………………………54 V