The Yang family was poor from generation to generation, but smart and eager to learn from childhood. They learned to read from Li Minzhai, a scholar of Yunnan Post. Yang Wenqing was admitted to his private school free of charge, and Yang Wenqing studied hard, ranking first in his class in every exam. Later, with the support of Dali gentry Xiyuan Zhang, he went to Kunming and was admitted to a provincial agricultural school. After graduation, with the support of his classmate Zhang Zuyin, he went to Beiping and was admitted to the Agricultural Management School of the Ministry of Agriculture and Commerce. After graduation, I returned to Yunnan and taught in the provincial agricultural school. At the same time, I work part-time in the Provincial Industry Department. 19 16 years, Yang Wenqing was the principal of a first-class agricultural school. After that, he devoted himself to developing agricultural education in Yunnan and cultivating agricultural talents 10 for more than 0 years. He led the students of agricultural schools and successively established agricultural experimental fields, forestry workshops and provincial farmers' associations, which laid the foundation for the development of Yunnan agriculture and forestry science.

After 1930, with the support of Long Yun, Yang Wenqing became the general office of Yunnan Highway Administration Bureau, entrusted by Long Yun, and was responsible for assisting him to build the Yunnan-Myanmar Highway, so as to open up an anti-Japanese international channel. After Yang Wenqing was ordered, he devoted himself to the road construction project, rarely went home, and ran by the road all the year round, mobilizing all counties to organize migrant workers to repair it. Together with engineers and technicians, he solved many difficulties in building roads and bridges. In order to solve the problem of steel and capital needed for bridge construction, he personally led technicians to Myanmar, running between Yangon and Lashio, and mobilized famous overseas Chinese in western Yunnan, such as Mr. Liang Jinshan and overseas Chinese businessmen such as Hongshengxiang and Yongmaohe, to raise funds for bridge construction. Yang Wenqing contributed greatly to the completion and opening of the Yunnan-Myanmar Highway in a short time.

1939 Yunnan provincial highway administration bureau was established, and Yang Wenqing was promoted to director. Under his leadership, Yunnan began to build trunk highways in the province on a large scale, which made Yunnan, which has been blocked by traffic, initially form a relatively perfect highway traffic line.