Christmas lights is a kind of festival lights. It is not only the symbol of Christmas, but also can give people a warm and beautiful environment. Usually, families decorate the houses with Christmas lights around Christmas Eve. In the night, with the bright lights, family members gather around the Christmas tree, waiting for the coming of the holy night. People can buy different kinds of Christmas lights with different shapes. According to their own preferences, they can hang up star or snowflake shapes. In recent years, a kind of colorful LED lights become popular, which can be shaped into different forms, like snowmen or Santa Claus. Thanks to their adorable appearances, children show their great interests. The most important part is that Christmas lights can bring different mood to people. They can be seen from the windows of warm families, and shine in cold atmosphere. Christmas lights remind people of the coming of the holy festival, and also, it spread happiness and warmth.