A multiple-pump-pulses-stimulated Raman backscattering amplification (m-SRA) scheme is proposed and examined using 1D PIC simulations.Compared with the SRA using a single long pump pulse,higher energy conversion efficiency can be obtained with the same output laser intensity by employing the m-SRA scheme.Unwanted Raman forward scattering can be suppressed in the m-SRA case.Favorable pulse envelope and frequency characteristics of the seed pulse after amplification are obtained by using the m-SRA scheme.