清明节是我国传统节日之一，也是祭扫祖先的重要时刻。在这一天，我们需要遵守一些规矩，不能做一些不合适的事情。

首先，清明节不能烧纸。虽然烧纸是祭祀祖先的一种方式，但是在现代社会，烧纸会造成空气污染，对环境和健康都有害处。因此，我们应该选择其他方式来祭祀祖先。

其次，清明节不能喧哗。在这一天，我们应该保持肃静，以表达对逝去亲人的敬意。不应该在祭拜过程中大声喧哗，影响他人和祭拜仪式的正常进行。

另外，清明节不能娱乐和狂欢。虽然清明节是一个假日，但是我们不能忘记它的本意。这一天是为了纪念和追思逝去的亲人，而不是为了娱乐和狂欢。因此，我们应该保持节制，尊重传统文化和祭祀习惯。

综上所述，清明节是一个重要的传统节日，我们应该遵守相应的规矩和礼仪，不能做一些不合适的事情。通过这样的方式，我们可以更好地表达对逝去亲人的怀念和敬意，也可以传承和弘扬中华民族的优秀文化传统。

Translation:

Qingming Festival is one of the traditional Chinese festivals and an important time for ancestor worship. On this day, we need to follow some rules and avoid doing inappropriate things.

Firstly, we should not burn paper offerings. Although burning paper is a way to worship ancestors, it causes air pollution and harms the environment and health in modern society. Therefore, we should choose other ways to worship our ancestors.

Secondly, we should not make noise on Qingming Festival. We should maintain silence to show respect for our deceased loved ones. We should not make loud noises during the worship process, which can disturb others and disrupt the normal worship ceremony.

Additionally, we should not engage in entertainment or revelry on Qingming Festival. Although it is a holiday, we should not forget its original meaning. This day is for commemorating and remembering our deceased loved ones, not for entertainment and revelry. Therefore, we should exercise restraint and respect traditional culture and worship customs.

In summary, Qingming Festival is an important traditional festival, and we should follow the corresponding rules and etiquette and avoid doing inappropriate things. In this way, we can better express our nostalgia and respect for our deceased loved ones and inherit and promote the excellent cultural traditions of the Chinese nation.