When there's inflation a government through it's central bank it can reduce money circulation by implementing fiscal and monetary policies in an economy.
Monetary policy may include increasing interest rates in borrowing money by commercial banks , which may increase rates to reduce money in an economy hence curbing of inflation.
Fiscal policy implementation may include selling of Govt stocks, securities, treasury bill, bonds at lower rate to reduce money supply in an economy hence reduction of inflation rate.
Also inflation may be reduced by increasing production in an economy to increase exports and reduce imports at the same time to strengthen the balance of payments.