In this randomized controlled study, it was aimed to determine the effect of hilotherapy on quality of life and comfort level in the management of symptoms related to taxane-associated peripheral neuropathy in patients with breast cancer. * The experimental and control group patients will answer the survey questions according to the data collection forms before the first chemotherapy course (To) and will undergo physical examinations by the researcher. * In the experimental group, the Hilotherapy device will be connected and initiated 30 min before the chemotherap. * The device will continue to cool for another 60 minutes when the chemotherapy ends. * Both groups will continue to receive chemotherapy courses at the intervals determined as planned. * Hilotherapy will be applied to the experimental group patients during each course according to the study protocol. * For both groups, participants will answer the questions according to the data collection forms and will undergo physical examinations by the researcher after the 4th chemotherapy course (T1), 8th chemotherapy course (T2), 12th chemotherapy course (T3) and 4 weeks after the end of chemotherapy (T4).