An apparatus for receiving and dispensing cards automatically includes a card receiving and dispensing main body (1000) and a card dispensing box (1001) removably installed on said main body (1000). Said card dispensing box (1001) includes a card dispensing box body, a card outlet (141) and a card gate (90) configured on said card dispensing box body. Said card dispensing box (1001) also includes a card gate locking device for controlling the opening and closing of said card gate (90). Said apparatus also includes an identification and unclocking device, which controls the activity of the card gate locking device on the card dispensing box (1001) associated with the card receiving and dispensing main body (1000) to open the card gate (90) of the card dispensing box (1001).