Top seed Saina took only 33 minutes to beat Taipese youngster with 21-18 21-15 at the Singapore Indoor Stadium.
Saina, the world number five, from India, achieved to bag her maiden Super Series title in June 2009, when she claimed top honours at the Indonesian Open.
She achieved victory over Lu Lan of China to enter the finals of Singapore Open Series. She had won 8-21 21-17 21-18 to set up a title clash with Tzu Ying Tai, on Saturday, Jun 19.
Saina, 20, said that she was slightly jittery at the start but gained in confidence as the match progressed. "It feels great. I was nervous at the start of the match but I maintained my strategy of playing more rallies," she said.
"I was down 14-18 in the first game but I just told myself that 'play your best and give your 100 per cent'. I think that really worked well for me," she added.