To explore the relationship between children's digital media usage and attention, activity, parenting pressure; to explore the relationship between family basic data factors and screen usage.

Background: Digital products are inseparable from life. Parents may feel that teaching materials are educational because of their high availability.Meaning, busy work, helping to share care or short respite, etc., and providing digital products for children, it is very important to understand children's behavior, usage habits, and the relationship between parents.According to the American Academy of Pediatrics, parents should limit their exposure to most types of screen time until the child is 2 years old , and children 2-5 years old should be less than one hour per day, and it is recommended to watch high Quality program content, accompanied by adults. The standards for screen time in various countries generally follow this policy.However, many studies have found that most children spend far more screen time than recommended guidelines. Research in Canada and the United States indicates that children aged three to five spend more than two hours a day on average. According to a tracking study, children aged three to five were surveyed on their In terms of screen use, it was found that compared with children who watched less than half an hour, children who used more than two hours a day had more significant implicit and explicit behavioral problems, namely withdrawal, nervousness, anxiety, irritability and attention deficit, and restless behavior.

Objective: To explore the relationship between children's digital media usage and attention, activity, parenting pressure; to explore the relationship between family basic data factors and screen usage.

Methods: Individual caregivers were interviewed through paper or electronic questionnaires to assess children's and families' digital media usage habits, children's activity levels, and parental stress. The following assessment tools were used. Including digital media use survey at home (refer to Surveillance of digital-Media habits in earLy childhood Questionnaire, SMALLQ™), Chinese version of parental child activity scale (Werry-Weiss Peters Activity Scale Chinese version, WWPAS), parental stress scale brief Form (Parenting Stress Index: Short form, PSI/SF)

Inclusion Criteria:

• Caregivers whose children are currently receiving early treatment and who can cooperate with the questionnaire;
• The child's family has the habit of using digital media devices;
• The child's main complaints include inattention and impulsivity;
• The child's age is 3 to 6 years old.

Exclusion Criteria:

• The child has other specific diagnosed diseases, such as autism group, sensory disorder, known genetic and genetic diseases, etc.

Children who spent screen time more than two hours a day had more significant implicit and explicit behavioral problems, namely withdrawal, nervousness, anxiety, irritability and attention deficit, and restless behavior.