Journal of Intelligent Computing Xiao Bo Cao, Cheng Dong Xu, Guo Chao Fan 9 1 2018 http://www.dline.info/jic/fulltext/v9n1/jicv9n1_1.pdf The process of complicated products design has the characters of high complexity, long period and various requirement of resource. So a reasonable resource scheduling scheme has great significance to the design of complicated product, so as to shortening product development cycles and reducing the cost of product. Firstly, design task collaboration and scheduling features in three complicate product design process modes are discussed in terms of research results of collaboration design and Integration Design Environment (IDE). Secondly, Virtual Design Unit (VDU) is adopted to be taken as the basic task execute unit, where VDU design is a complex product design. Furthermore, Design Task Scheduling Approach based Design Ability (DTSADA) is stated clearly by combining ACO and GA.. Finally, a design task scheduling case is demonstrated to validate the proposed approach.