その上
Usage
Used when the speaker wants to emphasise an additional piece of information. その上 on top of that; In addition (to that); what's more; besides
Examples
運動は体にいい。その上、心の健康にもいい。
Exercising is important for the body. On top of that it is also good for the hearts health.
最近のケータイは写真が撮れるだけでなく、メールも出来る。その上、インタネットやテレビも見られる。これは、もう電話じゃない。
Recently, on mobile phones, you can not only take photos but also send emails. On top of that, it's also possible to browse the internet and watch TV. It's no longer just a phone.