National League for Democracy
She contested the Mayangon Township constituency no. 2 and won a Pyithu Hluttaw seat in the 1990 Burmese general election, winning a majority of 28,513 (74% of the votes), but was never allowed to assume her seat. May Win Myint boycotted the National Convention in December 1995 along with other MPs from the National League for Democracy, and is the Secretary of Mayangone Township National League for Democracy.