rominent complaint and symptom in the course of cancerous diseases. Its sources may be the factors associated with the disease itself, as well as iatrogenic phenomena, which manifest themselves as a result of diagnostic-therapeutic procedure. The underestimation of the phenomenon of pain causes effects perceptible by children and limiting their biopsycho-social functioning, and results in the perception of themselves as less capable.

The objective of the study is to discuss the phenomenon of pain in children in the course of cancerous disease, as well as selected methods of its evaluation and alleviation by nonpharmacological means.