Is the custom of burning paper treasures good or bad in Tomb-Sweeping Day?

This custom is good. People mourn the dead by burning paper treasures. When in Tomb-Sweeping Day, most people will choose this way to express their thoughts about their loved ones. Every time we go to Tomb-Sweeping Day, people will burn paper treasures on the mountain before 12 o'clock, and prepare all kinds of things to take to worship, so as to express their feelings for their deceased relatives. The custom of Tomb-Sweeping Day has been spread since 1000, and the patterns of paper treasures have become more and more diverse. Paper treasures don't repeat every pattern, and people buy many kinds.