Christmas, also known as Christmas and the birthday of Jesus, is translated as "Christ Mass", which is a traditional western festival and the most important festival in many western countries. At this time of the year, cheerful Christmas songs are flying in the streets and alleys, and the shopping malls are full of colorful and dazzling things, filled with warm and happy atmosphere everywhere. In their sweet dreams, the children are looking forward to the arrival of Santa Claus from the sky and the presents they dream of.
Christianity is a general term for all sects who regard Jesus Christ as their savior, also known as Christian religion. A.D. 1 century, it originated in the Palestinian province of Rome (Israel, Palestine and Jordan today). It is based on the birth, preaching, death and resurrection of Jesus Christ.
Christianity mainly includes: Catholicism, Protestantism, Orthodox Church and other smaller sects. In China, because of historical translation, Protestantism is usually called Christianity. ?
References:
Baidu encyclopedia-Christianity
Baidu encyclopedia-Christmas