本文采用无线能量传输技术解决消化道定点施药系统的控制与供能问题。讨论了无线能量传输装置的设计方法，包括发射线圈和接收线圈的设计，并进行了体外模拟试验。试验结果表明，无线能量传输装置能够使定点药物施药系统正常工作，并且可达到较高的成功率。关键字:无线能量传输，电磁耦合，线圈，定点施药胶囊Abstract: The paper presents a new technical solution of wireless energy transmission forspecial-site drug delivery system in alimentary canal to solve controlling and energy supplyproblems. The design of the equipment including emission coil and receive coil for wirelessenergy transmission is presented, and some correlation tests are made in vitro. The results indicate that the equipment could effectively and reliably implement drug delivery controlling and transmit the energy through a wireless way.Keywords: wireless energy transmission，electromagnetic coupling, coil, site-specific drugdelivery capsule