XYZ states at BESIII

The BESIII Experiment at the Beijing Electron Positron Collider (BEPCII) collected large data samples for electron-positron collisions with center-of-mass above 4 GeV during 2013 and 2014. The analysis of these samples has resulted in a number of surprising discoveries, such as the discoveries of the neutral exotic X states, vector charmonium-like Y states and the electrically charged and neutral Zc states. In this papar, we will review the current status of the analyses of the XYZ states, as well as a number of other interesting features in the new BESIII data samples.