Referral system is a method of providing services to low-income families across the country in which the needy have access to the necessary services such as medicine, livelihood, housing and so on. Pars Development Activists Institute has started the referral system plan since 1398 with the cooperation of hospitals, charities and governmental and non-governmental foundations. He mentioned living services to more than 10,000 people, providing health services to more than 15,000 people, and providing psychoanalysis and assistance services to more than 20,000 people. In the referral system of this institute, after registering the case in the institute, the needs assessment is done by the assistants and specialized experts of Pars Development Activists Institute, and then local research, verification and required items are performed; The low-income individual or family is referred to the relevant institutions. Furthermore, the experts of the institute consider the mentioned case as their duty and will not neglect this important moment for a moment.