Christianity is an important part of people's Life. Therefore, as the main place for the spread of religious activities, most churches have a long history and are spread all over the cities and towns, becoming an important part of the city and town. Church is a place of spiritual comfort, Due to people's desire for life and fear of death, in order to pursue rebirth after death, people often go to churches to seek psychological comfort, pray or repent. Preaching is the most important function of the church.In many churchs, every day, you can hear a pastor recite scripture, preach, and answer questions. Sometimes there are priests, religious teachers and elders who talk about their religion and the people in the audience can talk to them.