Disclosed are a transcutaneous electrical nerve stimulation electrode needle and a transcutaneous electrical nerve stimulation apparatus. The transcutaneous electrical nerve stimulation electrode needle comprises: a needle handle (100), wherein a first electrode and a second electrode for respectively inputting pulse current signals of different polarities are arranged inside the needle handle (100); and at least one first needle body (201) and at least one second needle body (202), wherein the first needle body (201) and the second needle body (202) both comprise a first end and a second end, wherein the first end of the first needle body (201) is electrically connected to the first electrode, and the first end of the second needle body (202) is electrically connected to the second electrode, such that an electric field can be generated between the second end of the first needle body (201) and the second end of the second needle body (202).
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