During Chinese New Year, a family must clean their house in order to have good luck the year. It is symbolic of cleaning out all the evil in the home. My mom and grandmother used to clean their homes when I was younger before the Lunar New Year in order to clean out the bad spirits and bad energy in the house that could be there from the past year. It also cleans out the house to let in the good luck of the new year. I enjoy this part of the holiday because it is an excuse to clean the house but also provides a positive attitude to ring in the new year.