Honorable Myat Thida Htun was born in Mandalay. Educated with LL.B and Diploma in Engineering, Myat Thida Htun is currently writing her thesis for Master of Public Administration. Between 2000 and 2008, Myat Thida Htun worked as a public servant. From 2009, she started her law career. After she became the member of the National League for Democracy (NLD) party, she contested in the 2015 General Election and was elected as a Member of Parliament representing Thanbyuzayat township (No.5 Constituency for Amyotha Hluttaw—Upper House) in Mon State. As a Member of Parliament, Myat Thida Htun works on the sustainable development of her constituency narrowing the gap between rural and urban. Among others, she led the initiatives to improve the livelihoods of the farmers, to checks and balance the oppressive bureaucratic structure which is a residue of decade-long dictatorship political system. Myat Thida Htun contributed to the efforts to amend the 2008 Constitution which is undemocratic and deviates from federal democratic principles. In 2020 General Election, Myat Thida Htun was elected again as a Member of Parliament representing Thanbyuzayat township (No 8 Constituency for Amyotha Hluttaw—Upper House).
Myat Thida Htun strongly opposed the illegal and illegitimate military coup of February 1 and marched together with people on the street to join the Civil Disobedience Movement. On February 5, 2021, Myat Thida Htun joined the Committee Representing Pyidaungsu Hluttaw (CRPH) to carry out the democratic mandate bestowed by the people during the 2020 General Election, to end military dictatorship and to restore democratic civilian rule in Myanmar. She is also serving as a member of International Relations Committee and Legal Affairs Committee of CRPH. Due to her political activities, the military issued the warrant against her with the charges of Panel Code 122 and 124 (b). Adhering to the non-violent principles, Myat Thida Htun continues to discharge the duties of CRPH.