2.2 distribution management system is the main problem with circulation problems in the market: the mobility of the mobile market is weak, low efficiency, the OTC is not active, open to a lesser extent. Bond market is currently in circulation or partial turnover low, even the most active trading market across the mid-day there is no guarantee that bonds are traded, which greatly reduced the efficiency of the market, while the OTC secondary market is not flexible, seriously led to the bond market flexibility does not flow strong.