The invention discloses an electric vehicle cloud payment power supply pile reservation charging method includes the following steps: 1. a power supply pile is reserved; 2. the power supply pile position is determined; 3. a charger is connected with the power supply pile; 4. a user performs prepayment; 5. the power supply pile performs electric charge calculation; 6. a cloud server prejudges the charging cost; 7. the cloud server judges whether an electric vehicle is fully charged; and 8. charging completion reminding is provided. According to the electric vehicle cloud payment power supply pile reservation charging method, reservation charging positions and non-reservation charging positions are arranged on the power supply pile, thereby realizing reservation of charging positions, realizing preparation of charging in advance, and preventing the problem that charging cannot be performed due to too many people needing charging. Through three payment modes of card swiping, WeChat and alipay, the power consumption of the user can be accurately calculated and reasonably charged, an account settling unit is precise from ''yuan'' to ''fen'', and thus charging is charged more reasonably.