NOVELTY - Rainwater electrochemical water quality purification system includes collecting roof (1), rainwater pipe net (2), U-shaped pipe (3), drain hole (4,9), flushing tube (5), water tank (6), overflow hole (7), drain hole control valve (8,21), water turbine water control valve (10), bracket (11), conduit (12), hydraulic generator (13), tail water pipe (14), electricity output line (15), reaction tank water inlet pipe control valve (16), reaction tank water inlet pipe (17), reaction tank (18), rainwater electrochemical reaction device (19) and drain hole (20).    USE - Rainwater electrochemical water quality purification system.    ADVANTAGE - The device has simple structure, and method is environment-friendly.    DETAILED DESCRIPTION - Rainwater electrochemical water quality purification system comprises collecting roof (1), rainwater pipe net (2), U-shaped pipe (3), drain hole (4,9), flushing tube (5), water tank (6), overflow hole (7), drain hole control valve (8,21), water turbine water control valve (10), bracket (11), conduit (12), hydraulic generator (13), tail water pipe (14), electricity output line (15), reaction tank water inlet pipe control valve (16), reaction tank water inlet pipe (17), reaction tank (18), rainwater electrochemical reaction device (19), drain hole (20), reaction tank water outlet pipe control valve, reaction tank water outlet pipe, electric machine, flushing water storage tank, flushing water pipe control valve, flushing water pipe, electromagnetic absorption device, strong electric field adsorption device, storage battery, power supply circuit, external power supply interface circuit, redundant electric energy output line, and purified water storage tank. An INDEPENDENT CLAIM is included for rain water electrochemical purification comprising collecting rain water, carrying out electrochemical reaction, separating out pollutant in water, removing impurity pollution in rainwater by electric separation, electromagnetic field absorption, and strong electric field adsorption, and washing.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of rainwater electrochemical water quality purification system.    Collecting roof (1)    Rainwater pipe net (2)    U-shaped pipe (3)    Drain hole (4,9)    Flushing tube (5)    Water tank (6)    Overflow hole (7)    Drain hole control valve (8,21)    Water turbine water control valve (10)    Bracket (11)    Conduit (12)    Hydraulic generator (13)    Tail water pipe (14)    Electricity output line (15)    Reaction tank water inlet pipe control valve (16)    Reaction tank water inlet pipe (17)    Reaction tank (18)    Rainwater electrochemical reaction device (19)    Drain hole. (20)