Pu was banned from all microblogging platforms in China in 2013 after he used them to publicly criticize retired senior leader of the Communist Party Zhou Yongkang.
Pu alipigwa marufuku kufanya chochote kwenye majukwaa ya mitandao ya kijamii nchini China mwaka 2013 baada ya kuwa ameyatumia majukwaa hayo kumkosoa hadharani kiongozi mkuu wa Chama cha Kikomunisti Zhou Yongkang.