Various solutions for multiplexing of short physical downlink control channel and data with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a reuse indication from a control channel. The apparatus may determine whether a plurality of control channel elements (CCEs) are reused for a data channel according to the reuse indication. The apparatus may further receive the data channel in the CCEs in an event that the reuse indication indicates that the CCEs are reused.