Most adults generally cannot grow taller after adulthood. A small number of people whose epiphyses have not closed can be helped to grow taller by calcium supplements and appropriate exercise. People grow taller because the epiphyses of the long bones have room to grow. When a person reaches adulthood, the epiphyses of the long bones close and the long bones lose the possibility of lengthening, thus preventing adults from growing taller. A small number of young people around 18-22 years old whose epiphyses are not closed (X-ray confirmation is needed) can be helped to grow taller by calcium supplements and proper exercise. Instead of focusing on their height, adults should focus on their physique and how to have healthy bones. Normally, you should pay attention to more calcium-rich foods, such as milk, eggs, red meat, seafood, etc., in order to ensure adequate calcium intake of calcium, the general daily recommended calcium intake for adults is 800 mg, and the elderly need 1,000 mg. At the same time more sunshine, so that their bodies produce enough vitamin D to promote the absorption of calcium, or oral vitamin D under the guidance of a doctor, and at the same time to strengthen physical exercise, so that there will be healthy bones.