Variable micro magnetic field generating device

The utility model discloses a variable micro magnetic field generating device, comprising a housing assembly which is a hollow cavity; the circuit board and the battery are fixedly arranged in the shell assembly, the circuit board comprises an MCU, a memory and a current amplifier, multiple pieces of audio information are stored in the memory, the MCU decodes the audio information in the memory to form variable micro-current, and the current amplifier amplifies the variable micro-current; the coil assembly is fixedly arranged in the shell assembly, is electrically connected with the current amplifier and generates a variable micro magnetic field; the display device is electrically connected with the circuit board and penetrates through the shell assembly; and the key assembly is arranged on the circuit board and penetrates through the shell assembly. According to the utility model, the problem that a micro magnetic field generated by PEMF equipment in the prior art cannot be changed is effectively solved. 本实用