Children’s inattention may be caused by physiological factors, generally through positive education and guidance gradually alleviate. It may also be related to calcium deficiency, ADHD and other disease factors, need to be based on the specific causes of targeted treatment. 1. Physiological factors: for example, children are naturally active, with age will gradually ease, parents are advised to usually to the correct guidance and education, more and more children can help focus on the game, education children to improve concentration, to help improve the symptoms as soon as possible. 2. Pathological factors: children do not pay attention to concentration may be related to calcium deficiency, need to consult the hospital laboratory, clear specific lack of conditions, follow the doctor’s instructions to give supplemental calcium gluconate oral solution and other relief. If it is due to ADHD, it is recommended to consult a doctor as soon as possible, under the guidance of the doctor to implement a systematic treatment, such as correct guidance, accompaniment, nutrition and medication, such as methylphenidate or tomoxetine. The choice of medication should be made in accordance with the doctor’s instructions. There may be other reasons for children’s inattentiveness and lack of concentration, so it is recommended to consult a doctor as soon as possible to avoid delays.