A variety of methods have been developed for the assessment of chronic benign pain. In research or in clinical practise, choosing an adequate measurement technique can be a laborious task. This article has two main purposes: to report on some basic features to consider when selecting assessment instruments, and to present a review of some psychosocial and behavioural measurement methods for the assessment of chronic benign pain. The selected methods have, with one exception, been evaluated on Swedish chronic pain populations and are used in international pain research. In conclusion, we recommend the use of psychometrically sound instruments, and that the purposes for use of a measure have to be thoroughly considered in advance. We also emphasize that in clinical practise, each separate measure must be interpreted in a wider context, where clinical findings and judgements are considered as a whole. In addition, none of the single reviewed assessment techniques can replace the communication between the patient and the clinician.