Introduction. To solve professional tasks at a competent level, future doctors need appropriate knowledge, skills and abilities, both in Russian and in English and Latin. Purpose: to investigate the formation of professional language communicative competence of future doctors in the process of implementing additional educational programs in English and Latin. The novelty of the research lies in the fact that the formation of professional language communicative competence of future doctors is implanted in the field of additional education at the university and implemented on the basis of author's general education programs and teaching aids in English and Latin. Materials and methods. A theoretical analysis of domestic and foreign literature and practice on the problems of the article, experimental work presented by fragments of classes in medical English and Latin languages, conducted in the classes on additional education at the Mari State University. Research results, discussion. In the work, language communicative competence is considered as the basis of professional competence related to written and oral communication in English and Latin languages. In the language training of the future doctor, an important role is assigned to professional, linguistic, socio-cultural, communicative approaches that ensure the personal level of students' mastery of foreign and Latin languages. The purpose of the programs of additional courses in English and Latin: to improve the knowledge, skills and abilities available to future medical specialists and to gain new professional language communicative competencies that will allow them to read, understand, translate, extract information from foreign medical sources, as well as prepare to work with Latin terminology, writing prescriptions, communicate with foreign colleagues at conferences, symposiums, meetings, when working together in medical institutions of different countries or receiving international patients. Conclusion. The sphere of additional education at the university for the formation of professional language communicative competence of future doctors allows you to increase the level of oral and written communication in the professional sphere, enlarge the lexical and grammatical stock, improve terminological literacy, carry out linguistic and cultural communication.