This paper analyses the reforms of the fiscal governance in the European Union introduced after the euro crisis. The first section is descriptive and gives a brief overview of the new fiscal governance as modified by the six-pack, the TSCG and the two-pack. The second section is critical and analyses the weaknesses of the original fiscal governance and the effectiveness of the recent reforms. The third section briefly concludes. Originally in 1992, the EU fiscal governance was based on fiscal decentralization constrained by rules (limits of 3% government deficit and 60% government debt) whose compliance was monitored annually and whose violation are sanctioned (the excessive deficit procedure). The financial solidarity was minimal. The Euro crisis and the high financial instability of some Member States have shown the severe flaws of such governance model: the fiscal rules were sometimes inappropriate and often poorly implemented. Inevitably then, the crisis led to more financial solidarity than expected. [...]