Hsu's mother is Atayal, and his father was born in Kinmen; both are blue-collar workers. While there is no question he comes from a disadvantaged part of society, he has decided to make a go of it on his own.
母親為泰雅族，爸爸出生於金門，父母都是藍領工人的許文瀚，一路唸書全靠實力。