The present invention discloses a polycyclic p-type electrode and spiral coil visible-light communication device. The device comprises a LED chip array formed by connecting a plurality of LED chips in series, and an inductance coil which is connected in series with the LED chip array, wherein the inductance value of the inductance coil satisfies img file='DDA0001150408460000011.TIF'wi='342' he='127'/, the p-type electrode layer of the LED chip is made of tricyclic conductive materials, wherein the tricyclic conductive materials are a metal Al annular electrode, a zinc oxide annular electrode and a nano-silver annular electrode from inside to outside.