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. 如今，越來越多的旅遊景點免費爲遊客開放。作爲一個吸引着人們去參觀的熱門景點，毫無疑問，這一政策將帶來更多的遊客。去博物館可以開闊人們的視野和豐富人們的思想。他們可以從這些文物學到知識，這比閱讀教科書有用。但與此同時，大量的人也意味着挑戰。越來越多的遊客會破壞文物，因爲有一些人存在不禮貌的行爲，他們喜歡做一些標記來記念他們的旅行。而且，一些珍貴文物會被盜，因爲人多博物館就無法面面俱到。免費開放博物館可以讓更多的人見證歷史材料。需要每個人管好自己，才能更好的保護寶貴的數據，讓更多的人有機會去參觀。
