The invention relates to a portable high gain wireless energy transmitter including a power supply module, a microstrip antenna, and a main controller, and further including a DDS signal source module, a radiofrequency signal emission module, and a power amplification module, the output end of the power supply module is connected with the power supply ends of the power amplification module, the main controller, and the radiofrequency signal emission module, the main controller is connected with the control end of the DDS signal source module, the output end of the DDS signal source module is connected with the input end of the radiofrequency signal emission module, the output end of the radiofrequency signal emission module is connected with the input end of the power amplification module via an SMA male-female joint, and the output end of the power amplification module is connected with the microstrip antenna via an SMA male-female joint.