Grounded theory is an inductive methodological approach in social sciences and other related subjects. It generates theory about social processes, which are grounded in reality. Classic grounded theory is a unique inductive research approach with language, rules of rigor, procedures, and a final achievement, which is different from other research methods. The purpose of classic grounded theory is to theorize and facilitate an understanding of an effective knowledge, which is happening on the lives of people of the society. It represents grounded theory in a pure form, which emerges from the original work of Barney Galland Glaser (1930-2022) and Anselm Leonard Strauss (1916-1996) that is developed in 1967. It is the development of a theory from data with open ideas that comes from the data. This study tries to discuss a qualitative research design following a classic grounded theory approach through ontological, epistemological, and methodological assumptions of grounded theory. This study explores classic grounded theory approach including strengths and challenges of development in the social science.