The social insurance in Britain constitutes one of the social protection aspects stated by international treaties and constitutions that aims to give a special position for beneficiaries from social insurance and whether they are of employees or attached with employees.Whatever it was the activity sector they belong to, they belong by means of obligation to all professional and social dangers that lead to decrease or disability on earing up and sometimes complete deficiency.The social insurance is considered a social economic system puts forward and done by the state. It represents a form of government insurance in Britain organized by the law of social insurance of the state. It is obligation of the owners of business and workers according to portions and specific rules. It provides a material prevention for poor classes in community in case of having dangers that they couldnt have endured like disease or accidents of job, deficiency or early death, unemployment or reach old age