A contrastive phrase meaning 'on the other hand' or 'in contrast' used to point out a differing aspect compared with what was just mentioned.
この町は生活費が安い。そこへ行くと、娯楽施設は少ない。
Living costs are low in this town. On the other hand, there are few entertainment facilities.
彼女は仕事ができる。そこへ行くと、時間にルーズな面もある。
She is capable at work. Conversely, she can be lax with time.
値段は安い。そこへ行くと、品質は一流とは言えない。
The price is cheap. On the other hand, the quality can't be called top-notch.