the people who do not go to fight in a war but who stay in a country to work （战时的）后方民众，大后方
Idioms
on the home front
at home, or in your own country 发生在家乡（或本国） On the home front, it’s been a busy year for the President. 在家庭方面，对总统来说是忙碌的一年。 On the home front, the fuel crisis continues to worsen. 国内方面，燃料危机继续恶化。