Copy and Paste method
The easiest way to do this is to copy each of the existing two-headed arrows, the diagonal arrows, and then paste it into the place you want to enter, and here are a list of arrows for you to copy.
Oblique Arrow: ↘↙↖↗☇
Hollow Arrow: ⇨☈
Two-way arrow symbol: ↕↔
Arrows representing men and women: ♀♂
Arrow pointing left and right: ☜☞
Up and DOWN ARROW: ↑↓→←
Aircraft Shape Arrow: ➽➸➹
Two, Alt combination key method
The first is to hold down the keyboard: Alt, and then on the keyboard on the right of the keypad to enter the number: 43081, the "↖"; similarly: the input number 43082 appears "↗", 43083 corresponds to "↙" 43084 corresponding "↘" and so on, This method needs to know the corresponding number of each key can be output, the simplest method or the first copy method.
Insert Special Symbol method
This method only applies to Word and other editing software, you can through the menu insert-symbol, this is not done too much, we introduced a lot of symbols in the insertion of the use of this method.