Bizarre footage has emerged from China of a man having two ball pens removed from his stomach after he swallowed them 36 years ago, reports say.

In the video, captured in Suzhou, Jiangsu Province on April 24, the two ball pens can be seen once they were extracted from the man's body.

The man called Wang said he swallowed the pens when he was only 14 years old.

He says he lost a bet and had to swallow the ball pens.

Reports say he forgot about it until he had body check in February this year.

The pens were removed surgically.