The invention provides self-service equipment, an automatic transaction system and a control method thereof. The self-service equipment includes at least one circulation paper money box, an identification unit, a recovery paper money box, and an operation paper money box; a designed circulation paper money box can store a preset number or a preset amount of money through automatic money adding treatment or automatic checking treatment; and the balance of the circulation paper money box is determined. Accordingly, the designed circulation paper money box of the self-service equipment can store the preset number or the preset amount of money, i.e., money adding treatment can be automatically completed according to a money adding plan; the operation load of manual operation can be reduced, the use rate of the self-service equipment can be improved, the application efficiency of the self-service equipment and the money can be improved.