This article highlights homelessness as a social problem that exists in many societies and countries around theworld. This phenomenon has become one of the biggest social problems facing the world in the twenty-first century.This encouraged the writer to investigate this phenomenon in his article. The article addresses some of the causesthat lead to homelessness from the writer's point of view, the consequences of it, and the problems of homelesspeople. The writer mentions two main reasons for homelessness: lack of learning among homeless people and theuse of drugs and alcohol. Whilst the writer states that the disease in homeless people is considered the mostimportant effect of homelessness. As for the problems suffered by homeless persons, the writer determines thethree most prominent which are poverty, hunger and loneliness.