Progressive liberal[1][2] and reformist in its stances, it was considered more moderate than the Socialist Party of Thailand.

The party's office was attacked and candidates were assassinated by the far-right and military-backed Red Gaurs paramilitary.

[4] Its right-wing opponents accused the New Force Party of siding with the communists in Vietnam and Laos,[5] of having received 152 million baht from the KGB, and of having leaders of Vietnamese descent.

The party was founded and led by medicine professor Dr. Krasae Chanawongse, the recipient of the 1973 Ramon Magsaysay Award for Community Leadership.

Its secretary-general was Pramote Nakhontap, a political science professor, who later became an activist of the People's Alliance for Democracy ("Yellow Shirts") and authored an article about the alleged Finland Plot.