This research aimed to discover the knowledge and implementation of Amal Ma’ruf and Amal Munkar by the students. This research was a qualitative research applying field research method. The subjects of this research were 6 students selected with purposive sampling. The data were collected through interview, documentation, and observation. The data was then analyzed qualitatively. This research concluded that: (1) The students’ knowledge on Amal Ma’ruf was sufficient. It was evidenced by the questions given by the researcher to the students upon matters related to Amal Ma’ruf. Moreover, the students understand that it was good deed. (2) The implementation of Amal Ma’ruf by the students was sufficient. They implemented it in their daily life. (3) Students’ understanding on Amal Munkar was not sufficient. It was seen from students’ answer that Amal Munkar was bad deed but they still do it. (4) There were many implementations of Amal Munkar by the students. For students, it was mostly related to students’ fight and having relationship.