Bone age is 3.5 years older than it actually is, and treatment varies depending on age. Bone age refers to an early increase in calcium in the bones of the body, which can lead to insufficient height growth in children, and can lead to the appearance of fracture-prone, aging, or lack of height. Most of the children, youth and elderly can be treated by increasing physical activity and lifestyle interventions. 1. Children: Normal bone growth can be maintained through exercise in relaxing, free-stretching, open-ended programs such as basketball, swimming, dancing, and high-jumping. Try to eat less anti-seasonal vegetables and fruits, as well as prematurely cooked animals and poultry. It is recommended to have consultation and treatment in specialties. If the predicted height is not high, growth hormone injection and other growth-promoting treatments can be carried out under the guidance of doctors and in conjunction with the needs of parents. 2. Young people: need to pay attention to balanced diet, avoid fatty foods, eat less sweets, appropriate exercise, pay attention to rest, do not stay up late. 3. Elderly people: it is normal for the elderly to have large bone age, usually you can supplement more calcium, eat more food with high calcium content, such as milk, shrimp, etc., you can often exercise to make the bone quality enhancement, and slow down the increase of bone age. Avoid abusing supplements, such as ginseng, cordyceps, astragalus, royal jelly, protein powder and so on. If the bone age is 3.5 years older than the actual, it is recommended to have further checkups and relevant treatments under doctor’s guidance. During the period of diet and exercise conditioning, it is also necessary to go to the hospital regularly for rechecks.