The actor's verified Sina Weibo account sent the message: "It is the truth. Yup, I'm coming."
It was forwarded more than 31,000 times and netted over 14,000 comments, many expressing surprise. He gathered more than 100,000 followers.
The IMDb.com movie website said Brad was banned from ever entering China because of his role in the 1997 Seven Years In Tibet. The government was upset about the film's portrayal of harsh Chinese rule in Tibet.
His later film Mr And Mrs Smith, with partner Angelina Jolie, was popular in China.