The role of the Association of European Cancer Leagues is to facilitate the collaboration between cancer leagues throughout Europe and to influence EU and pan-European policies.  The central purpose of ECL is to identify and promote common strategies in cancer control toward achieving health equity in cancer prevention, treatment and services.

The major fields of activity for the member cancer leagues include cancer prevention, public information, professional education and assistance, as well as information services and rehabilitation for patients and their families and relatives, participation in, and support for, cancer research.

The Association of European Cancer Leagues produce a monthly newsletter with updates from around the world.