One eyeball facing upwards in children may be caused by Tourette’s syndrome in children, febrile convulsions, epilepsy and so on. 1. Tourette’s Syndrome: Tourette’s Syndrome is a relatively common disorder in children, which is a motor or vocal muscle spasm that occurs mostly in childhood, and involuntary and stereotyped movements such as eyeballs facing upward, eyebrow squeezing, nose sniffing, or vocalizations will occur. 2. Febrile convulsions: when a child suffers from febrile convulsions, it will easily lead to abnormal discharges of neurons in the brain, resulting in eyeballs pointing upwards, and accompanied by loss of consciousness and increased muscle tone. 3. Epilepsy: Epilepsy is a disease caused by abnormal discharges of neurons in the brain of the human body, which can also lead to upturning of the eyes, usually occurring during epileptic seizures. In addition, it may be accompanied by body convulsions and foaming at the mouth. When a child has one eye turned upwards, parents should take the child to the hospital immediately, complete the relevant examination, clarify the cause of the disease and then actively treat it.