Whether Yin deficiency internal fever fever can be cured by traditional Chinese medicine is mainly determined by the patient’s condition and the tolerance of the patient’s physique, and cannot be generalized. Yin deficiency and internal heat fever in Chinese medicine belongs to the Yin deficiency and internal heat type of internal injury fever, you can follow the doctor’s instructions to take the bone clearing powder plus reduction for treatment. Yin deficiency internal heat type of internal injury fever is mainly manifested as afternoon hot flashes (a burst of heat), or fever at night, accompanied by five heart heat (heat in the heart of the two hands and two feet, and consciously hot heart and chest), restlessness, hot flashes and night sweating (abnormal sweating after falling asleep, and the sweating stops after waking up), zygomatic redness (cheeks and zygomatic bones are reddish in color), dry mouth and pharynx, and a red tongue. The treatment of Yin deficiency and internal heat type of internal fever is mainly based on the principle of nourishing yin and clearing heat (nourishing yin essence and clearing away heat). The formula can be used to treat it with the addition and subtraction of Qing Bone San, which consists of Yin Chai Hu, Zhi Mu, Hu Huang Lian, and Di Biao Pi, which has the effect of nourishing yin and clearing away heat. If there is Yin deficiency and internal heat type of internal fever, clinicians should be consulted to guide the use of medication, and should not use medication blindly to avoid aggravating the condition.