Facebook plays an important role in a student’s daily life. Facebook has great impacts on the academic performance of the undergraduate’s students in Quetta city. Facebook has infiltrated the 21st-century generations of Internet users, making it a very active means of communications, particularly among students of higher institutions of education. The purpose of this study was to identify the effects of Facebook usage on the academic performance of undergraduate students in Quetta city. The researcher takes in-depth interviews or FGD (Focus Group Discussion) from the private or government colleges of Quetta city. This study found that Facebook has positive effects on the academic performance of undergraduate students in Quetta city, the students gain a lot of information from it and easily communicate with each other's, interaction with peers, perceived usefulness, study notes or share information about research resources etc.