Background: Anorexiais a disease that often emerges in adolescence. Characteristic symptoms are significant, deliberate weight loss along with strong control needs regarding food and movement that occupies most of the person’s life. Without treatment, the condition can be life-threatening. Alliance and a good care relationship is considered to be of great importance for a successful treatment outcome, but at the same time difficult to establish with the patient group.

Aim: To describe what promotes a caring relationship between nurse and patient with anorexia, which strengthens the patient's health process.

Method: Narrative meta-synthesis, which includes 14 articles with a qualitative perspective. Analysis has been inspired by Evans (2002) descriptive synthesis process.

Results: The results are presented in four main themes: Nurse's approach; the relationship bases; Focusing on individual; Knowledge, and in 10 sub themes. These themes were considered to promote a caring relationship that affected the patient's health process positively.

Discussions: The results are discussed with the support of the theory Tide model's assumptions and concepts, as well as in previous research based on a person-centered and knowledge- focused perspective.