A woman in China has allegedly stabbed her boyfriend to death on the street after he fat-shamed her.

The man had prevented the woman from buying ice cream because he said she was already overweight, according to Chinese media citing an eyewitness.

The perpetrator has been arrested by police.

A woman in China has allegedly stabbed her boyfriend to death on the street after being fat-shamed. Footage released by China's JSTV (above) shows the aftermath of the incident

The incident took place on Wednesday in the city of Zhumadian in central China's Henan Province.

Police yesterday said the suspect, known by her surname Wang, was arguing with her boyfriend, known by his surname Zhang, when she attacked him with a pair of scissors on Fengguang Road.

The couple had been shopping, police said in a statement on China's Twitter-like Weibo.

Zhang died in hospital after doctors failed to save him, police added.

The victim had reportedly forbidden the suspect to buy ice cream, saying she was already overweight. JSTV released footage of him lying on the ground after being assaulted (left)

According to Chinese news outlet JSTV, the couple had been in a relationship for about 20 days.

A source told the TV station that the couple rowed when Zhang tried to stop Wang from having ice cream.

Enraged by her boyfriend's remarks, Wang went to buy a pair of scissors from a nearby shop and stabbed him, the insider added.

JSTV also released footage which appeared to show Wang standing next to Zhang after the attack and Zhang lying on the ground with bloody wounds.

The case is being investigated by Zhumadian police.