In November 1931, Wang returned to China. On 27 October 1939, he took part in the establishment of National Teacher's College in Anhua County of Hunan, where he served as the Dean of Academic Affairs. In 1941, he contributed to the founding of the Fujian Provincial Research Institute in Yong'an at the invitation of the Fujian provincial government.[6]
In 1943, Wang joined Xiamen University as a professor in the Department of Biology. He later served as the department chair and dean of the School of Science. In 1944, he became the acting president of the university after President Sa Bendong traveled to the United States for lectures. On February 10, 1947, Wang was officially appointed president of National Xiamen University by the Nationalist government.[7]
After the establishment of the People's Republic of China, Wang stepped down from his position as the president of Xiamen University, and continued teaching in the Department of Biology. In 1963, he was appointed as a researcher at the Institute of Genetics under the Chinese Academy of Sciences.[8]
Following the Cultural Revolution, he served as the vice chairman of the Chinese Society of Cell Biology in the early 1980s. In 1985, he was awarded an honorary doctorate by the University of Nice. He died of illness On 12 October 2000.[4]