  The scenario of isospin-violating dark matter (IVDM) with destructive
interference between DM-proton and DM-neutron scatterings provides a potential
possibility to reconcile the experimental results of DAMA, CoGeNT and XENON. We
explore the constraints on the IVDM from other direct detection experiments
such as CRESST and SIMPLE, etc. and from the indirect DM searches such as the
antiproton flux measured by BESS-Polar II. The results show that the relevant
couplings in IVDM scenario are severely constrained.
