A new kind of airpowered bicycle including 3 riding modes (power assisting, noload and load riding modes) and the operating principles of its air storage system, airpowered motor and power transmission system were primarily discussed; their necessity of existence and advantages were described; moreover, safety, mileage and economic analyses were carried out to the bicycle; thus, it is thought that this new kind of airpowered bicycle is feasible in technique and has a hopeful prospect. 