Images of the bear were also deleted from Weibo and Wechat, a popular Chinese messaging app. Articles about the censorship circulated on Wechat, mentioning rumours that Winnie-the-Pooh programmes were also set to be banned.
It appears that Xi Jinping has failed to see the humor in these comparisons. However, comments referencing to "Little Bear Weini" (Pooh's Chinese name) has turned up with error messages saying the content is illegal.
Comparisons between Xi and Pooh first emerged in 2013, after Chinese social media users began circulating a pair of pictures that placed an image of Pooh and his slender tiger friend Tigger beside a photograph of Xi walking with then-US President Barack Obama.
The ban is the latest activity in the online crackdown before this fall's Communist party congress which will result in key political appointments.
A similar comparison was made with Xi as Pooh and Japan's prime minister Shinzo Abe as Eeyore, the sad donkey.
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It was named "most censored image of 2015" by Global Risk Insights, a political consultancy.
It will be particularly eagle-eyed in the coming months as President Xi attempts to consolidate power ahead of an important twice-a-decade party conference. "What the heck, give Pooh and President Xi a break!"
"The Chinese name for and images of the plump, cute cartoon character are being blocked on social media sites here because bloggers have been comparing him to China's president", the website explained.
"Poor Little Winnie", one Weibo user wrote. "What did this adorable honey-loving bear ever do to provoke anyone?"