The purpose of this study was to identify the life style changes in patient with chronic illness. The sample consisted of 45 patients with chronic diseases. The findings showed that the patients had to face changes in their life Style such as: First, new tasks including compliance with terapeutic regimens seeking information about their diseases and managing their disconforts. Second, --losses referring to their social relationship, finances, locomotion and work capacity, and leisure activities losses. Third, treats --including treat to their personal self, their life and hope.