Large intestine fire may cause uterine discomfort. The large intestine and the lungs are mutually exclusive, and an exuberant fire in the large intestine can cause an exuberant fire in the lungs, leading to symptoms such as dry mouth and tongue. Kidneys are responsible for reproduction, so the kidneys have a close relationship with the uterus. The lungs are the main gold, the kidneys are the main water, the lungs are the mother of the kidneys, the mother disease and the child, the lung fire will cause kidney yin deficiency symptoms. The main symptoms of Kidney-Yin deficiency include lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions), five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), and a woman’s scanty menstruation with hypoglossia. Uterine discomfort may occur. Heat in the large intestine leading to constipation, abdominal pain, etc. may also cause uterine discomfort, irregular menstruation, dysmenorrhea, and pain in the abdomen. If symptoms occur, please do not take medication without authorization, but consult a doctor to clarify the cause of the disease and treat the symptoms.