Children playing while doing homework is generally believed to have nothing to do with elemental deficiencies, which may be caused by bad habits, but also need to be alert to diseases such as Attention Deficit Hyperactivity Disorder (ADHD). 1. bad habits: if the usual attention is not focused, often like to play, bad habits, there may be children playing while doing homework symptoms, some parents in the baby learning to watch TV, etc., may also have led to the baby playing while doing homework. It is generally believed that there is no direct relationship with the lack of nutrients in the body. 2. Attention Deficit Hyperactivity Disorder (ADHD): If a child suffers from ADHD, there may be a decline in attention span, hyperactivity and other manifestations, resulting in involuntary activities, unable to write homework quietly, and therefore there may be a child playing while doing homework symptoms. If the baby is obviously difficult to concentrate, it is recommended to go to the child health department of the hospital in a timely manner, and follow the doctor’s advice to be targeted treatment.