Under normal circumstances, women should not show signs of fire during menstruation, if they show signs of fire, it indicates that the patient has Yin deficiency. If a woman has menstruation, her menstrual blood goes down to the uterus and out of the body through the uterus, and her qi and blood are relatively insufficient. If the patient has yin deficiency symptoms, the yin deficiency will aggravate during menstruation, and the yin deficiency will lead to yang hyperactivity, so the patient can have fire manifestations such as sore throat and sores on the tongue during menstruation. Patients who regularly consume spicy food or alcohol during menstruation may also suffer from fire during menstruation because spicy food or alcohol can easily generate dampness and heat, leading to abnormalities such as sores on the mouth and tongue with bad breath, etc. If you can find the obvious trigger and remove the trigger, you will not experience this condition.