Progesterone belongs to the progesterone drugs, which are usually used to regulate menstruation or fertility preservation treatment. Progesterone is usually used by intramuscular injection, but if it is injected too often, the local absorption is not good, and it is easy to form hard nodules. Hot compresses can promote local blood circulation and help the absorption of hard knots. The following teach you to inject progesterone after the correct method of hot compresses: First, action demonstration: 1, dry compresses: coarse salt in a small cloth bag made of small salt packets, heated in a microwave oven, wrapped in a towel, placed in the local hard knots of the place for hot compresses. Or use a hot water bag filled with hot water, wrapped in a towel, placed in the local hard knot place for hot compresses; 2, wet compresses: prepare a pot of hot water, the towel soaked and wrung out, placed in the local hard knot place for hot compresses. You can add a dry towel on top of the wet towel to delay heat loss. Second, special tips: 1, pay attention to the hot compresses during the observation of the hot parts of the skin, to prevent scalding; 2, hot compresses pay attention to the control of temperature and duration, to prevent scalding.