The work is concerning forms of persecution to members of Seventh-Day Adventist Church in communist Czechoslovakia. Theoretical part describes possible forms of persecution from communist party to this Church and its members. Research part contains testimonies of interviews with addressed respondents with the author, including their experiences of such a persecution in that time. Most respondents were imprisoned during their military service, part of them lost the decree for chaplain work at certain region. Two respondents also experienced persecution in special military units.