Counterfeit commodity-based discrimination method and system

The invention provides a discrimination method and system based on a counterfeit commodity, and the method comprises the steps: triggering an energy collection module on the commodity through a mechanical action to carry out the energy collection, and supplying the collected energy to other modules on the commodity in an electric energy manner; a security chip on the commodity receives the electric energy supplied by the energy collection module to be powered on, reads a built-in anti-tamper identification bit, generates a random number when the anti-tamper identification bit is in a normal state, signs the random number by adopting a built-in digital certificate private key, and sends the signed random number to the anti-tamper identification bit; generating signature information and presenting the signature information on an electronic ink screen on the commodity in an identification code mode; and the mobile terminal of the user scans the electric identification code to obtain signature information and tra