The drive manner of electric bed can be classified as: manual type, pneumatic type, and electric-cylinder type. Moving parts of electric bed may be back plate and leg plates. Based on the existing design, this study focus on increasing the comfort of electric bed. The purpose of this research is to design a new electric bed. In this research, two linkages are added into the back plate moving mechanism. When back plate moves up, the waist-support will be pushed up and push the head-support up. The engineering new design of the new electric bed is accomplished. Based on the force analysis, the driving force of the new electric bed is 56.2% less than the existing design.