WHO and several other research groups have recognized the importance of population cancer registries, as an essential tool for health research. The availability of data on cancer is an important element for the implementation of a cancer control program. These data are essential for our country .They provide a reliable indication of the profile of cancer, indicating incidence rates, trends and survival. These data are also important for the region and the world. Our goal is to implement this training for the cancer registries in Algeria and neighboring countries in Maghreb. The experience of cancer registry Setif, and the presence of international experts in cancer registration can provide this training. The target audience is the health workers in cancer registration in Algeria, Tunisia and Morrocco. The number is 50 physicians and technicians working in the cancer registries