Fire means imbalance of yin and yang in the human body and internal fire. The imbalance of yin and yang and internal fire during IVF may be caused by dietary stimulation, mental factors, and yin deficiency. Patients can be treated by improving diet, adjusting emotions, and taking oral drugs to nourish yin and tonify the kidneys. 1. Improve diet: If the patient does not avoid eating spicy and stimulating food during the IVF period, it may lead to imbalance of yin and yang, and exuberant internal fire, which can be relieved by improving diet, such as eating light diet and small meals. 2. Adjustment of emotions: If the patient is overly anxious and nervous during the IVF period, there may also be an imbalance of yin and yang, and internal fire, which can be relieved by adjusting the emotions, keeping the mood relaxed and avoiding excessive fluctuations in emotions. 3. Oral nourishing yin and tonifying kidney drugs: Yin deficiency refers to the deficiency of yin fluid, yin deficiency is damaged and cannot control yang, which may lead to the imbalance of yin and yang and the symptoms of internal fire during the in vitro fertilization period, which can be treated by oral nourishing yin and tonifying kidney drugs, such as Liufei Dihuang Pill and Zuoqi Pill, etc., and is forbidden to those who are allergic to the ingredients of the drugs. During the period of IVF, patients should pay attention to a light diet, avoid overwork, if any discomfort occurs during the period, you need to go to the hospital in a timely manner to identify the cause of the disease, give targeted treatment, do not do it yourself, so as not to delay the condition.