  We proposed a general Zeeman slower scheme applicable to the majority of the
laser-coolable molecules. Different from previous schemes, the key idea of our
scheme lies in that the compensation of the detuning with the magnetic field is
done for the repumping laser instead of the cooling laser. Only atoms or
molecules with the right velocity will be repumped and laser slowed. Such
scheme is more feasible for molecules with complex energy sturcutres. We apply
this scheme for molecules with large Land\'e g-factor of the excited states and
polyatomic molecules, and it shows a better slowing efficiency.
