Cerebral palsy is a complex and serious disease that can afect all age groups around the world. There is no prevalence diferentiation between developed and developing countries. Preeclampsia, maternal trauma, low birth weight, gestational age, birth asphyxia, intrauterine infection, etc. can also be included in the list of risk factors. Functional limitations, self-care diiculties, behavioral problems, seizures, cognitive, sensory, social and emotional impairments and diiculties of daily life activities can afect health-related quality of life in children and adolescents with cerebral palsy. So, it is important to evaluate health-related quality of life in cerebral palsy. It is stated that there are many generic instruments to evaluate health-related quality of life. However, using speciic instruments for cerebral palsy is more sensitive than generic instruments to evaluate efect of cerebral palsy in children's health-related quality of life. The aim of this chapter is to investigate health-related quality of life instruments in children and adolescents with cerebral palsy.