Children with tics but normal EEG need to be treated, which may be caused by malnutrition, but does not exclude epilepsy, convulsions, tics and other disorders. Children’s long-term lack of calcium or vitamin D can cause twitching symptoms but normal EEG. If left untreated, it may affect children’s growth and development, intelligence and other lagging behind their peers, so treatment is recommended, which can be done by supplementing vitamin D, frequent sun exposure, calcium supplementation and so on, and the dosage of vitamin D and calcium should be used according to the advice of the doctor. However, only relying on a single normal EEG cannot rule out the existence of epilepsy, convulsions, tic disorders and other diseases, but also need to be based on other tests to make a comprehensive judgment, it is recommended to review and rule out the disease, the details of which can be consulted with a professional physician’s opinion.