Nowadays, more tourist sites are free to the tourists. As one of the hot sites that attracts people to visit, there is no doubt that this policy will bring more visitors. Going to the museum can broden horizon and enrich people’s minds. They can gain the knowledge from these cultural relics, which is much better than reading from textbooks. But at the same time, the large amount of people means challenge. More visitors will damage the cultural relics, for some will behave impolitely, they like to make some marks to remember the trip. What’more, some precious relics will be stolen, as everyone can’t be supervised all the time. Free admission to museum allows more people to witness the historical materials. It needs everyone to behave themselves, so as to better preserve the precious data, and let more people have the chance to visit.