Algerian Blood Bank is an application to play the role of mediator (link) between the donor and the blood to the needy in Algeria, where a lot of times we find it difficult to find people to donate blood especially for rare blood factions. The application allows to every person who wants to donate blood the possibility of registration (name of his mandate and his clique vessels and phone number) and this becomes possessed a donor can be contacted later by anyone in need of blood in the same stat