Ma'aikatar Tsaro Ma'aikatar Gwamnatin Tarayyar Najeriya ce wacce ke da nauyin da ya rataya a wuyanta na kulawa da kuma kula da Sojojin Najeriya . Ma'aikatar Tsaron tana karkashin jagorancin Ministan Tsaro ne, wanda ke matsayin shugaban majalisar zartarwa wanda ke bayar da rahoto kai tsaye ga Shugaban Tarayyar Najeriya. Karkashin ma'aikatar tsaro akwai wasu rundunoni guda hudu wadanda suke karkashinta: Hedikwatar tsaron Najeriya, Sojojin Najeriya, Sojojin ruwa da kuma Sojan Sama na Najeriya . Ayyuka da horo na soja suna haɗuwa kuma suna sarrafa su ta waɗannan abubuwan haɗin. Babban aikinta shi ne “Don samar da ayyukan gudanarwa da tallafi, a kan lokaci da kuma yadda ya kamata don baiwa Sojojin Jamhuriyar Tarayyar Najeriya damar ginawa da kuma kula da dakaru na zamani, masu karfi, kwararru, kwararru, masu kwazo da shiri da shiri, kare yankin kasa, amfanin mashigar ruwa, sararin samaniya da kariya da kare kundin tsarin mulkin Tarayyar Najeriya, da kuma bayar da gudummawa wajen samar da zaman lafiya da ayyukan wanzar da zaman lafiya a duk duniya karkashin kungiyoyin yanki da na duniya wanda Najeriya mamba ce.