Electronic card seat combination and terminal device

The present invention provides an electronic card seat combination and a terminal device. The electronic card seat combination comprises a base, an upper cover which is matched with the base to form an accommodating space, a locking member which is provided with a projection part, and a control structure, wherein in a first state, the locking member is at a first position, the projection part is inserted into the gap part of a first electronic card so as to lock the first electronic card, in a second state, the locking member is at a second position, the projection part is separated from the gap part of the first electronic card, when the first electronic card is inserted into a third position, the control structure can be matched with the first electronic card, the locking member is controlled to move to the first position, when the first electronic card is inserted into a fourth position, the control structure can be matched with the first electronic card, the locking member is controlled to move to the sec