The 10-year-old child will not squat may be too obese, joint inflammation, meniscus injury and other causes. 1. too obese: when the children usually dietary intemperance or other reasons lead to too obese, leg fat tissue is more, squatting due to fat accumulation will often appear squatting. 2. Joint inflammation: children get arthritis is relatively rare, but there are some children will appear juvenile idiopathic arthritis, if the inflammatory reaction occurs in the knee joint area, often lead to limited activities, may not appear squatting. 3. Meniscus injury: may be children in sports, the meniscus of the knee injury, squatting pain will be more obvious, often squatting. For obesity caused by, mainly to control weight. If it is caused by disease, you need to consult a doctor in time, cooperate with the doctor for examination and treatment.