Novel roof rainwater collection and storage and water quality purification system

A novel roof rainwater collection and storage and water purification system comprises a solar panel power supply device, a waterproof electric blanket, an initial rain and snow water treatment device, a reservoir, a purification water tank, a first water quality detection device, a second water quality detection device and a controller. The waterproof electric blanket, the initial rain and snow water treatment device, the reservoir and the purified water tank are sequentially connected through pipelines; the solar panel power supply device supplies power to the waterproof electric blanket, the water quality detection device I, the water quality detection device II, the controller, the initial rain and snow water treatment device and the purified water tank; the waterproof electric blanket is arranged on a roof, a water flow confluence groove is formed in the waterproof electric blanket, the confluence groove is formed in the waterproof electric blanket in the mode that the center point of the waterproof elect