The Bible does not specifically mention Christmas trees. However, some Christians have used the story of the tree in the Garden of Eden as a symbol of sin and temptation, which would suggest that decorating a tree with ornaments and lights would be seen as a form of idolatry. Others believe that the use of a Christmas tree is a harmless tradition that simply adds to the joy of the season. Ultimately, whether or not to have a Christmas tree is a personal decision that should be based on your own faith and beliefs.