2003年毕业于山东大学临床医学专业，2009年先后获得日本和歌山医科大学及山东大学病理学博士学位，后从事博士后研究。2010年来北京大学肿瘤医院病理科工作，历任医师、主治医师及副主任医师。从事病理诊断近20年，精通肿瘤的病理诊断，尤其擅长头颈部肿瘤及妇科肿瘤病理。教学方面，每年带教住院医师及专业型研究生的阅片及理论授课，曾获得院级教学管理先进个人及优秀专培指导教师等荣誉称号。科研方向为头颈部肿瘤及妇科肿瘤的组织学特点、分子分型、肿瘤微环境及预后的关系。先后主持国家自然基金青年基金、教育部留学回国人员科研启动基金及北京市医管局培育计划项目，发表SCI文章及国内核心期刊30余篇。参译病理学著作数部，包括《罗塞和阿克曼外科病理学》第10版，《软组织肿瘤》第5版，《斯滕伯格诊断外科病理学》第6版，《术中病理诊断图谱》第2版，《甲状腺细针穿刺细胞学诊断与陷阱》第1版等。曾获得北京大学医学部优秀住院医师、吴秉铨病理学发展基金会2013年度优秀中青年学者奖及2019年吴秉铨病理学发展专项奖学金。社会任职包括：中华医学会病理学分会科研工作委员会委员、中国研究型学会病理学专业委员会青年委员、北京医学会病理学分会头颈与甲状腺病理学组委员、北京癌症防治学会头颈肿瘤MDT专业委员会委员、北京乳腺病防治学会青年学术专业委员会委员等。

近5年以第一作者/并列第一作者及通讯作者发表文章：

1. Guo, Ting; Bai, Yan-Hua; Cheng, Xiao-Jing; Han, Hai-Bo; Du, Hong; Hu, Ying; Jia, Shu-Qin; Xing, Xiao-Fang; Ji, Jia-Fu; Insulin gene enhancer protein 1 mediates glycolysis and tumorigenesis of gastric cancer through regulating glucose transporter 4. Cancer Commun (Lond), 2021, 41(3): 258-272.

2. Yanli Zhu; Wenhao Ren; Yuntao Song; Zhihui Fan; Qian Wang; Haizhu Jin; Yiyi Guo; Yanhua Bai; Cytomorphologic features as predictors of aggressiveness in patients with pT1 papillary thyroid carcinoma: a retrospective study of associations with clinicopathological parameters in 226 fine-needle aspirates. Gland Surgery, 2021, 10(1): 319-327.

3. Bai, Yanhua; Sun, Wei; Niu, Dongfeng; Yang, Xin; Diao, Xinting; Yu, Yang; Lin, Dongmei; Localized ALK-positive histiocytosis in a Chinese woman: report of a case in the lung with a novel EML4-ALK rearrangement. Virchows Archiv, 2021;479(6):1079-1083.

4. Niu, Dongfeng; Bai, Yanhua; Yao, Qian; Hou, Wei; Zhou, Lixin; Huang, Xiaozheng; Zhao, Chen; Expression and Significance of AQP3 in Cutaneous Lesions. Anal Cell Pathol (Amst), 2021, 2021: 7866471.

5. Niu, Dongfeng; Bai, Yanhua; Yao, Qian; Zhou, Lixin; Huang, Xiaozheng; Zhao, Chen ; AQP2 as a diagnostic immunohistochemical marker for pheochromocytoma and/or paraganglioma. Gland Surgery,2020,9(2): 200-208.

6. Bai,Yanhua; Niu,Dongfeng; Yao, Qian; Lin, Dongmei; Kakudo, Kennichi; Updates in the advances of sporadic medullary thyroid carcinoma: from the molecules to the clinic. Gland Surg, 2020, 9(5):1847-1856.

7. Bai, Yanhua; Kakudo, Kennichi; Jung, Chan Kwon; Updates in the Pathologic Classification of Thyroid Neoplasms: A Review of the World Health Organization Classification. Endocrinol Metab (Seoul), 2020, 35(4): 696-715.

8. Bai, Yanhua; Guo, Ting; Huang, Xiaozheng; Wu, Qi; Niu, Dongfeng; Ji, Xinqiang; Feng, Qin;Li, Zhongwu; Kakudo, Kennichi; In papillary thyroid carcinoma, expression by immunohistochemistry of BRAF V600E, PD-L1, and PD-1 is closely related. Virchows Archiv, 2018, 472(5): 779-787

9. Bai, Yanhua; Niu, Dongfeng; Huang, Xiaozheng; Jia, Ling; Kang, Qiang; Dou, Fangyuan; Ji,Xinqiang; Xue, Weicheng; Liu, Yiqiang; Li, Zhongwu; Feng, Qin; Lin, Dongmei; Kakudo, Kennichi; PD-L1 and PD-1 expression are correlated with distinctive clinicopathological features in papillary thyroid carcinoma. Diagnostic Pathology, 2017, 12: 72.