Kyin Hlaing spent more than 3 years in Insein Prison and Pakokku Prison as a political prisoner. He was tortured physically and mentally during arrest. He was born in Dawbon Township, Yangon and his parents are U Tin Shwe and Daw Sein Than. He is the eldest in his siblings. He studied until grade 7 and he joined NLD party in 1989. In serving the party’s duties, No.3 Intelligence interrogated him for 2 times and he was also inspected in Kyaitkasan interrogation camp for one time while political situation became worse. He was involved in 2007 Sapphire Revolution.