DPO originated from King Bhumibol Adulyadej and Queen Sirikit. Queen Traveled to Europe in 1960, interested in farming of Danish dairy The Thai government then signed a cooperation with the Danish government on October 20, 1961, with Denmark contributing 4.33 million kroner (approximately 23.5 million baht). Danish Orgard established a Dairy Farm and Dairy Training Center in Thailand in January 1961 in Muak Lek District. Saraburi

King Bhumibol Adulyadej And King Frederick IX of Denmark officially inaugurated a dairy farm and Thai-Danish training center on January 16, 1962, and the Thai government designated January 17 of each year to be National Dairy Day and in 1966, the Danish government has sent experts to join in and support the budget of 2.87 million kroner.

Later in 1971, the Thai government accepted the transfer of the dairy farm business and the Thai-Danish training center to establish as a state enterprise. Under the Ministry of Agriculture and Cooperatives Since September 7, 1971, it is called "Dairy Promotion Organization of Thailand" abbreviated as "DPO" with its office located at 160 Mittraphap Road, Mittraphap Subdistrict, Muaklek District. Saraburi To play a role in promoting dairy farming and developing the dairy industry with Mr. Yodwattanasin as the first director.