The invention discloses an electric charge calculation and issuing method and system based on a cloud platform and a data medium station. The method comprises the steps: stripping an accounting management service from a power system, building an amount charge calculation center and an accounting application based on a technical support platform, and carrying out the construction of the technical support platform based on the cloud platform and the data medium station. The content comprises a distributed file system Hadoop based on a data medium table, a relational database PostgreSQL, a distributed column database HBase and a real-time calculation platform Storm; the distributed cache Redis, the distributed message queue Kafka and the micro application group Docker are based on the cloud platform. According to the invention, higher and easier-to-expand system performance is provided, so that the efficiency of electric quantity and electricity charge calculation is enhanced. According to the novel architecture, distributed storage, streaming calculation and other technologies are adopted on the whole to achieve accounting services. The method greatly accelerates the speed of calculating and issuing the electric charge, enables the user to receive the electric charge bill information earlier every month, provides great convenience for the customer on the whole, and enables the electricity experience effect of the customer to be better.