The　bolt-ball　joints　and　welded　hollow　spherical　joints　are　used　frequently　in　the　reticulated　structures.　Many　researches　on　the　influence　of　the　bolt-ball　joints　stiffness　on　dynamic　and　static　mechanical　behavior　of　these　structures　are　carried　out　by　far.　This　paper　reviews　these　researches,　and　points　out　the　limitation　as　well,　then　the　future　work　of　which　has　been　put　forward.　In　addition,　the　progress　made　in　our　work　team　in　this　filed　is　illustrated.