Abstract: After the death of Mandela,related topics about it once became a focused issue in domestic and foreign media and on the Internet as well.In the public opinion field of micro-blog,relevant texts about Mandela’s death have shown strong features of intertextuality.Various views appeared competitively and multiply,promoting the evolution of micro-blog public opinion with a variety of interactive modes and intertextual means.It can be seen from this that intertextual analysis is very important to explore the generation mechanism and comprehension mechanism of micro-blog discourse,and understand the dynamic construction of micro-blog public opinion.

Key words: Mandela, topic micro-blog, intertextuality, text analysis