The child fell from the chair, to determine whether there is nothing wrong, you can observe the child’s limb activity, mental state, appetite, etc., if necessary, timely medical treatment, further improve the relevant examination. 1. Activities of the limbs: Observe whether the child’s hands, arms, feet, legs are moving normally, such as the child does not dare to move or a little activity on the crying, often suggests that there are fractures or joint injuries. 2. Mental state: after the child fell from the chair, a short period of crying is normal, such as continuous crying, and even jet-like vomiting, small baby fontanel tension increases, lethargy, lethargy, scratching the head and other actions, need to cause alarm, if necessary, improve the craniocerebral CT, alert intracranial injury. 3. Appetite: if the child has poor appetite, or even headache, nausea, vomiting, etc., or can not interact with parents, often suggesting intracranial injury, in addition, close observation to prevent delayed intracranial hemorrhage. In short, when the child has limited limb movement, persistent crying, vomiting, headache and other manifestations, it is recommended to consult the pediatric surgery in a timely manner, improve the head CT, MRI, limb plain film and other related examinations, to further clarify whether there is any abnormality.