Portable twelve-lead electrocardiographic signal synchronous collecting device

The invention relates to a device for collecting an electrocardiographic signal of a human body, belongs to the field of intelligent family medical facilities, and particularly discloses a portable twelve-lead electrocardiographic signal synchronous collecting device, which comprises a shell, a lead wire, a plurality of electrodes, a switch key, a conversion module, an MCU (Microprogrammed Control Unit) module, a wireless data receiving and sending module, a battery pack and a data receiving display, wherein the electrodes are used for a lead body; the switch key is arranged on the shell; the conversion module, the MCU module, the wireless data receiving and sending module, the battery pack and the data receiving display are arranged inside the shell. The electrocardiographic signal of an examined person can be precisely and effectively displayed on intelligent mobile equipment in real time for observation; further, the portable twelve-lead electrocardiographic signal synchronous collecting device has accurate and stable monitoring performance while being small and exquisite, portable and low-power-consumption.