Case having function of keeping memory apparatus

The present invention relates to a protective case with a memory device storing function, which easily connects a memory device stored in a storage unit to a portable terminal without a separate coupler. The present invention easily connects a memory device to a portable terminal by connecting the USB terminal of the memory device to a USB port by sliding the USB terminal of the memory device in a direction of the USB port in a state that the connection terminal of a connection member is inserted into the connector of a portable terminal, thereby enabling the stable input and output of data.