We give a comment on the paper ``Chiral Suppression of Scalar-Glueball Decay''. By taking account of the instanton effect, we show SU(3) chiral symmetry is well established.
@article{arxiv.hep-ph/0511252,
title = {Comment on "Chiral Suppression of Scalar-Glueball Decay"},
author = {Z. F. Zhang and H. Y. Jin},
journal= {arXiv preprint arXiv:hep-ph/0511252},
year = {2007}
}