目录第一章案情简介············································································一、案例前的知识储备················································································（一）、何谓“阴阳合同”··········································································（二）、“阴阳合同”存在的原因·································································二、案情介绍················································································第二章法律问题··········································第三章相关税法知识··································································一、相关的法律条款···················································································二、法律后果·····················································································三、二手房交易买卖双方税费问题·································································第四章法律分析与结论···········································一、法理分析·································································二、法律处理结论····························第五章案例启示及拓展··································································一、案例启示·································································二、拓展内容····························主要参考文献··························································································第一章案情简介一、案例前的知识储备（一）何谓“阴阳合同”自从颁布针对普通住宅和非普通住宅不同的税费标准后，上下家在房屋交易过程中常签订两份合同，即俗称的“阴阳合同”。