In this paper,we review the recent results from relativistic heavy-ion collision experiments at Relativistic Heavy Ion Collider—Solenoidal Tracker at RHIC(RHIC-STAR),primarily focusing on collective flow;high moments of conserved quantities;and the production of light n...MORE In this paper,we review the recent results from relativistic heavy-ion collision experiments at Relativistic Heavy Ion Collider—Solenoidal Tracker at RHIC(RHIC-STAR),primarily focusing on collective flow;high moments of conserved quantities;and the production of light n...