The common causes of poor concentration in children include genetic factors, neurodevelopmental disorders, hyperactivity disorders in children, etc. They may also be physiological causes. 1. Genetic factors: If family members, especially immediate family members, have poor concentration, the child will be affected by genetic factors and will also have poor concentration. 2. Neurodevelopmental disorders: mainly include poor vestibular balance function and backward sensory ability. Poor vestibular balance function will lead to poor control of body movements and poor concentration, and backward sensory ability will affect the child’s ability to extract useful sensory information from the external world, and the sensory information can’t be transmitted to the brain in time, resulting in the phenomenon of out-of-sight and out-of-mind. 3. Hyperactivity disorder in children: Hyperactivity disorder is a common psychological disease in children, these children are generally normal intelligence, but there are poor attention, too much activity, poor self-control, impulsive capriciousness and other characteristics that do not match the actual age. 4. Physiological factors: lack of exercise can lead to an imbalance in the development of the nervous system and poor concentration. Children’s poor concentration, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.