10-year-old children’s feet especially stink, may be physiological factors, can also be considered with vitamin deficiency, hand and foot hyperhidrosis, endocrine diseases, fungal infections and other factors. 1. Physiological factors: usually exercise, do not pay attention to local hygiene, obesity, etc. lead to excessive sweating feet, inducing microbial growth, resulting in corrosive gases leading to foot odor. Often wear breathable shoes and socks, sweat lactic acid, urea large accumulation caused by foot odor. 2. Vitamin deficiency: often partial food, picky eating, anorexia, resulting in vitamin deficiency, the body’s immunity to decline, easily induced by bacterial growth, resulting in foot odor. 3. Hyperhidrosis: patients with hyperhidrosis of the hands and feet, emotional stimuli, such as tension, anxiety lead to increased sweating, can cause foot odor. 4. Endocrine diseases: If you have hyperthyroidism, diabetes and other endocrine diseases, resulting in increased sweating, can also cause foot odor. 5. Fungal infections: Tinea pedis caused by fungal infections, fungal metabolism, reproduction process destroys the foot keratin, producing volatile gases, resulting in foot odor. To sum up, foot odor is related to a variety of factors, it is recommended to pay attention to personal hygiene, if necessary, go to the hospital dermatology department to look for causes of foot odor, but also targeted treatment.