The uniform electricity is excluded one another, so, when the positive electricity is executed to the anode leechdom molecules, it is shoved into the skin tissue .together with the neutral molecules.

• 性质相同的电荷相互排斥，因此对+极的药品分子施加正电流，可将药品分子推入皮肤组织。此时，中性分子也一道穿透并进入肌肤内部。