The invention discloses a powder coating pulverizer. The powder coating pulverizer comprises a rack, a vibration conveying device, a distributing device, a smashing device and a conveying device. According to the powder coating pulverizer, continuous conveying to powder stock can be achieved, distributing is conducted on the powder stock before smashing is conducted, full smashing to the powder stock can be achieved, and smashed materials can be conveyed conveniently.