in front of是指其中一方在另一方的外部，二者相互獨(dú)立。on the front of指的是在前的，靠前的。on表示在……的表面上。front含義：adj.前面的；前部的；在前的；n.正面；前面。

in front of例句

It's there, right in front of you!

在那兒，就在你前面！

There's a bus stop in front of the house.

房子前面有一個公共汽車站。

We had our picture taken in front of the hotel.

我們在旅館前照了相。

They ate everything that was set in front of them.

他們把放在面前的東西都吃光了。

on the front of例句

One man sat in an armchair, and the other sat on the front of the desk

一個男人坐在扶手椅里，另一個坐在桌子前面。

Her father used to perch her on the front of his bike.

她爸爸過去常讓她坐在自行車前梁上。

The story was on the front pages of all the tabloids.

所有小報都在頭版報道了這件事。

Write your name on the front cover of the exercise book.

在練習(xí)本的封面上寫上你的名字。