目前主要研究领域是图的染色与标号、荫度与分解、算法分析及应用等，在J. Graph Theory,SIAM J. Discrere Math.,European J. Combin.,Discrete Math.等期刊上发表SCI论文80余篇，代表作如下：

[1]Yiqiao Wang, Xiaoxue Hu, Weifan Wang, Ko-Wei Lih, Plane graphs of maximum degree ∆≥7 are edge-face (∆+1)-colorable, J. Graph Theory, 95(2020), 99–124.

[2]Yang Wang,Yiqiao Wang*, Ko-Wei Lih, Partitioning kite-free planar graphs into two forests, J. Graph Theory, 106(2024), 30–56.

[3]Juan Liu,Yiqiao Wang, Weifan Wang, Light edges in 1‐planar graphs, J. Graph Theory, 101(2022), 746–768.

[4]Jianfeng Wang, Wenqian Zhang,Yiqiao Wang, Zoran Stanić, On the order of antipodal covers, J. Graph Theory, 105(2023), 285–296.

[5]Qiaojun Shu, Weifan Wang,Yiqiao Wang, Acyclic chromatic indices of planar graphs with girth at least 4, J. Graph Theory, 73(2013), 386–399.

[6]Yiqiao Wang, Xiaoxue Hu, Weifan Wang, Plane graphs with ∆≥9 are entirely (∆+2)-colorable, SIAM J. Discrere Math., 28(2014), 1892–1905.

[7]Wanshun Yang,Yiqiao Wang, Weifan Wang, Ko-Wei Lih, IC-planar graphs are 6-choosable, SIAM J. Discrere Math., 35(2021), 1729–1745.

[8]Weifan Wang, Xiaoxue Hu,Yiqiao Wang*, Entire coloring of 2-connected plane graphs, European J. Combin., 94(2021), 103286.

[9]Weifan Wang, Qiaojun Shu,Yiqiao Wang, A new upper bound on the acyclic chromatic indices of planar graphs, European J. Combin., 34(2013), 338–354.

[10]Yiqiao Wang*, An improved upper bound on the linear 2-arboricity of planar graphs, Discrete Math., 339(2016), 39–45.

[11]Yiqiao Wang*, Yanping Yang, Danjun Huang, Weifan Wang, Two sufficient conditions for a planar graph to be list vertex-2-arborable, Discrete Math., 345(2022), no.6, Paper No.112865, 15pp.

[12]Yiqiao Wang, Min Chen, Weifan Wang, A note on the list vertex arboricity of toroidal graphs, Discrete Math., 341(2018), 3344–3347.

[13]Yiqiao Wang, Weifan Wang, Jingjing Huo, Some bounds on the neighbor-distinguishing index of graphs, Discrete Math., 338(2015), 2006–2013.

[14]Yang Wang,Yiqiao Wang*, Weifan Wang, Lina Zheng, A note on the list vertex-arboricity of IC-planar graphs, Discrete Math., 347(2024), no.7, Paper No.113998, 8pp.

[15]Hui Lei, Xiaopan Lian, Xianhao Meng, Yongtang Shi,Yiqiao Wang*, On critical graphs for the chromatic edge-stability number, Discrete Math., 346(2023), no.5, Paper No.113307, 7pp.