Abstract: An instruction execution method and a processor are provided, where the method includes: sending, by a token management unit, a first read token to a first instruction execution unit, where the first read token is used to instruct the first instruction execution unit to read an operand of a first instruction that is to be executed (S301); reading, by the first instruction execution unit, the operand of the first instruction according to an instruction of the first read token (S302); releasing the first read token (S303); after determining the release of the first read token, sending, by the token management unit, a second read token to a second instruction execution unit (S304); executing, by the first instruction execution unit, the first instruction according to the operand of the first instruction (S305); and writing an execution result into a register set (S306).