Nine-year-olds are often seen as having a deficiency of yin and fire (deficiency of yin and essence in the body, resulting in hyperactive fire) or internal fire caused by dietary stagnation and heat, which can be regulated by massage and traditional Chinese medicine. Yin deficiency and fire can be seen in the hands and feet hot (irritability and sultriness), night sweating (abnormal sweating after going to sleep, waking up after sweating stops), etc.; dietary stagnation is not transformed over time and heat, which can lead to dry mouth, bad breath, constipation and other symptoms of real heat, you can choose to massage, such as a deficiency of yin to replenish the spleen meridian, replenish the kidney meridian, rubbing the three miles of the foot, pinching the spine and so on; dietary stagnation of the large intestine, clear the stomach meridian, abdominal massage, and so on. Medications: for Yin deficiency and fire exuberance, add or subtract Zhi Bai Di Huang Wan; for dietary stagnation, add or subtract Bao He Wan. Tui na should be chosen by professionals to operate, drugs should be taken in accordance with the doctor’s instructions, do not unauthorized conditioning or medication.