Outsourcing is a valuable strategy for firms to gain more benefits from the global supply chain. Outsourcing can be defined as a business agreement in which a firm is contracting out certain existing parts of the firm to either domestic and/or international third parties. In this chapter, we give an overview to the benefits and disadvantages of outsourcing. We also discuss recent trends in outsourcing; in particular, with the benefit of technology development, robots are starting to join in outsourcing.