Provided are a transport block (TB) scheduling method and device, a storage medium and an electronic device. The method includes: in the case that one DCI schedules multiple TBs, the sizes of the multiple TBs are indicated through a resource assignment field, an MCS field, offset value indicator information and NDI information of the DCI, wherein the NDI information is used for determining whether the multiple TBs are newly transmitted or retransmitted; or the sizes of the multiple TBs are indicated through the resource assignment field, the MCS field, and the offset value indicator information of the DCI; and the DCI is transmitted over a PDCCH.