Nurses practising in almost any area of healthcare may encounter individuals who are considering acupuncture, particularly those caring for people who are experiencing chronic pain. Acupuncture is a complex intervention and in traditional practice is not simply the insertion of needles, as some people believe. This article provides a historical understanding of acupuncture, outlining some of the differences between styles of practice that may be relevant when selecting an acupuncturist. It also examines the issues that should be considered when assessing the evidence base for acupuncture.