Chondrodysplasia is first of all about calcium and vitamin D. At the same time, it is important to give sufficient sunlight, which has an important role because it promotes the absorption of calcium. Because chondromalacia, also known as osteochondrosis, is recognized as rickets, mostly due to poor living conditions, humid environment, less sunlight, and lack of vitamin D as well as calcium in food, but such patients are rarely seen in China. Therefore, if you see a patient with chondromalacia, it is recommended to eat calcium tablets and milk and other foods rich in calcium, and to take vitamins and sunlight to effectively treat the symptoms.