Recent online voting conducted by China Central Television shows more than 80 percent of WeChat users consider the ads to be commercial harassment.
"I am disgusted with it. WeChat Moments is a platform that should help me learn what's going on with my friends and let my friends know what I am doing now. Ads among my friends' feeds is an annoyance."
The popular messaging app, owned by Tencent, began testing sponsored ads last week.
The ads are pushed to 200 million WeChat users daily.
Zhang Jun, spokesman for Tencent, says the company attaches great importance to the user experience.
"An ad will appear in a place no higher than the fifth post on the page. A user will receive only one ad within a certain period of time while it will disappear automatically if left unnot