On September 20-22, the Colloquium on Development Strategy of Hydraulic Machinery Discipline, which was also the 12th China Academic Conference on Hydraulic Machinery and Systems, was successfully held in Lanzhou. The conference invited 15 experts to make a report, and 105 experts and graduate students made a group report. More than 400 experts and graduate students from key universities, research institutes, design institutes and hydraulic machinery manufacturers in this field participated in the conference.