There is growing interest today in the design and application of tools for measuring quality of life. However, the rating scales applied do not reveal the consequences that Parkinson's disease has for patients' relatives. The need for permanent care and help to be given to the chronically disabled person leads to a decrease in the life quality of caregivers. The contribution describes an inventory for evaluating the quality of life of parkinsonian patients' caregivers and analyses some factors determining their social disadaptation.