Tic disorder in children is one of the more common disorders of the pediatric psychoneurological system and is a chronic neuropsychiatric disorder also known as polydactyly. Pediatric tic disorder is defined as a sudden, fixed or wandering involuntary contraction of a muscle or muscle group anywhere in the body. If you find that your child has symptoms of tics, you can visit the pediatrics department of a Chinese hospital or the neurology department of a children’s hospital. Most of the tics start at the age of 4 to 10 years old and are more common in boys, with a male to female ratio of 5:1 to 3:1. The main symptoms are motor tics and vocal tics. Motor twitching: The main symptoms are eye blinking, mouth puffing, cheek puffing, shoulder shrugging, hand fluttering, leg kicking, stomach puffing, head fluttering, etc. Vocal tics: may appear with nose wrinkling and grunting, throat clearing, and involuntary obscenities, including swearing and repetitive language. Tic disorder is not a critical illness and there is no obvious organ damage, but it is often combined with attention deficit disorder (ADHD) and obsessive-compulsive disorder. Since the onset of the disorder cannot be controlled quickly, it may cause obstacles to the child’s learning, life and social interaction, and may bring a great psychological burden to the family, so parents should pay sufficient attention to it.