The standard height for an 11-year-old boy is 138.20 to 153.82cm and the standard weight is about 35kg. Children’s height and weight are also affected by genetic factors, geographic location, as well as nutrition and sleep. Generally speaking, the standard height of an 11-year-old boy is 138.20~153.82cm, and the standard weight is about 35kg. The specific situation also varies from person to person, as long as the child’s height and weight within the standard range is considered normal. Ensure adequate nutrition to ensure the normal growth and development of the child. Participate in outdoor activities more often, more exercise will help the development of height. In addition, make sure you get enough sleep. If the height and weight are abnormal, it is recommended to consult a doctor to identify the cause of the problem and provide targeted treatment or therapy.