The minor district (king amphoe) was created on 31 March 1981, when the three tambons Sa Kaeo, Huai Hin, and Thai Samakkhi were split off from Lam Plai Mat district.
In 1981, a new minor district (king amphoe) was created by dividing the tambons Sa Kaeo, Huai Hin, and Thai Samakkhi out of Lam Plai Mat district.