This document describes the procedure for performing a hot application or hot water bottle application. It defines a hot application as applying dry heat locally using a rubber hot water bottle for a short time. The purposes are to provide warmth and comfort, promote healing, reduce swelling and stiffness, raise body temperature, relieve urine retention and pain/congestion by stimulating blood flow. Contraindications include acute inflammation, unconscious/old/neonate patients, open wounds, malignancy, and high fever. The steps involve preparing materials, checking the water temperature, warming and filling the bottle, applying it to the area as prescribed, and documenting in the patient chart.