The text-based knowledge sharing platform has promoted the efficiency of knowledge. Besides，there has frequently emerged copyright infringement due to the various parties of the platform，as well as the public good nature of it. However，how to identify the subject of rights and determine the existence of infringement，and in which way to determine whether it constitutes fair use and the infringement of the right of communication through information network are difficult points of protection in practice. For the purpose of protection and balance among the right of platform，users and aggregation platforms，through referring to the regulations of US and EU，as well as the judicial practice of Chinese Internet companies，this essay establishes a multi-dimensional protection approach which combines data rights and copyrights from the dimensions of civil，administrative and criminal.