The Institute of Medicine (IOM) reports "Crossing the Quality Chasm proposed 7 aims for high-quality healthcare: effective, safe, timely, efficient, equitable, patient-centred, and emphasized care coordination. The quality of pain treatment can also be shown by structure quality, process quality, and outcome quality. The present investigation shows methods of the qualitative capture of pain therapy. On this occasion, it is shown whether such a pain measurement with the available parameters is generally possible and which parameters are necessary for this. However, quality parameter and quality outcome must be regarded individually for every patient. Quality measurement concerning the therapy of chronic pain diseases is an interaction of several quality and outcome parameters. Furthermore patients' aims concerning his individual pain treatment must be taken into account.