  Despite that quantum chromodynamics, the theory of strong interaction, has
colorful quarks and gluons as its basic degrees of freedom, all fundamental
particles participating the strong interaction that can be directly detected in
experiments are colorless or color-singlet hadrons. This phenomenon is called
color confinement. Because of that, the study of hadron spectroscopy is
essential in improving our understanding of the nonperturbative regime of QCD
and to reveal the mechanism of color confinement. The high-luminosity
electron-positron collision machine under discussion, Super tau-Charm Facility
(STCF), can play an essential role in hadron spectroscopy by discovering new
hadron resonances and measuring properties of known hadrons with an
unprecedented precision. In the following, we will discuss briefly the topics
on hadron spectroscopy that will be investigated at STCF.
