Project background: Shenzhen Saidikang Technology Development Co., Ltd. is a professional medical device company with R & D as the core, integrating R & D, production, sales and project operation. User needs: Sadikang has established a development strategy of "independent innovation and independent brand", focusing on the research and development of household medical equipment and medical medical equipment, and providing innovative medical equipment solutions with international advanced level.

User research: through the psychological evaluation of children, we can objectively understand the current psychological and intellectual development level of children, and identify children with behavioral problems and psychological disorders from the group of children. It is an important condition for a correct understanding of children's psychological and intellectual development, so as to implement targeted early education, as well as early intervention and early treatment of children's psychological disorders. Practice tells us that mental health education and intellectual development must start from children. Optimization experience: the existing infant body weight measuring instrument, often in order to increase the measurement range, the volume is larger, more occupied space. This product, using a drawer-type hidden structure design, can be adjusted according to the size of the measured children. The realization saves the space, and increases the purpose of measuring range.

1. The system has the characteristics of complete functions, flexible control, illustrated interface, friendly and intuitive, objective evaluation and accurate results. It is a necessary evaluation system for children's hospitals, maternal and child hospitals, pediatrics, maternal and child health care departments, rehabilitation centers, and physical examination centers at all levels. 2, from the appearance design, structural design and supply chain management, all aspects of service to customers, the product from conceptual planning to mass production, set up production standards.