【Background& Purpose】In order to early detect the problems a child might have during his/her development, an effective screening tool is of great needs. The [Taipei City Child Development Screening checklist] is often used to serve this process. This text version is mainly distributed to the parents to fill out during their child regular check-ups to the hospitals and clinics. The drawbacks of this checklist is that it lacks of active participation of the target population, and the text version limits its usage to people who are not familiar with Chinese characteristics, such as those new inhabitant. These lead to low screening rates therefore causing delayed early intervention. 【Purpose】The purpose of this study was to design and develop the multi-media graphic version of the [Taipei City Child Development Screening checklist] based on its original text version.【Method】The developed muti-media system will be checked for is validity. Thirty parents/legal guardians of children in each target age groups will be recruited randomly for the clinical reliability evaluation.

Inclusion Criteria:

• For parents/primary caregivers whose children are between 3 months and 7 years old can participate.

Exclusion Criteria:

• Any visual impairment.

guardians whose child is between 3 months and 7 years old