Why is China blurring men's ears?

A contestant on the Chinese reality TV show "Little Sister's Flower Shop" is seen with an ear lobe blurred.

(CNN)Chinese TV personality Jing Boran has something on his ear that authorities don't want you to see.

In the latest episode of the popular Chinese reality TV show "I, Actor," the young star's face is digitally altered to blur out his earrings.
Chinese actor Jing Boran is seen with what appears to be digitally altered ears on "I, Actor."
Jing, who held lead roles in Chinese box office hits "Monster Hunt" and "Time Raiders," is not the only victim of the alleged "earring ban." Images circulating on Weibo, China's version of Twitter, show several other young male stars with blurred circles on their ears.