Christmas is annual festival in western world that is one of the most important festivals for them. Previously, only westerners or Christians celebrate it. But in recent years, more and more Chinese people celebrate it, especially among young people. There are many activities in that day. I think there are the following reasons that make Christmas popular in China. First, it’s a western holiday and it’s new to Chinese. Second, with the development of the world, the mutual influence between China and the west makes it work. Last, the merchants make great contribution to its popularity.