The article deals with branch didactics (subject methodology) current issues related to its gradual establishment within the fields of scientific disciplines. Branch didactics is analyzed with reference to its variable aspects of development and its gradual determination based on the original branch of science it evolved from. The article is also focusing on staffing as well as the consequences of the individual role of staffing within the development and directing of branch didactics. Such topics as pedagogues´ competencies together with their optimum qualifications are brought up. The article is concluded by frame definitions of main branch didactics activities, concentrating on its aspects of irreplaceable and individual fields of science.