Is there any train from Zhangjiajie to Canton vis versa , how long its take time by train

Yes, there are three trains departing from Zhangjiajie to Guangzhou everyday, and vice versa. The fastest one will take 14 hours on the way. If you would like to save time, you could take a bus (3.5 hours) from Zhangjiajie to Changsha, and then take a high-speed train (2.5 hours) to Guangzhou.