The article indicates that extended professional education plays an important role in improving the professional competence of a teacher. Various types, forms and methods of advanced training and professional retraining according to the programs of DPO are considered. It is noted that the conduct and participation of teachers in scientific conferences on improving the quality of education and distance learning in the format of chat classes are effective forms of professional development of teachers at the present stage. It is emphasized that the strategy of modern DPO should be built taking into account the implementation of new, modern opportunities aimed at comprehensively meeting the educational needs of citizens, society, and the state.