In Eclipse, go to Help > Install new software and click Add.
Fill in the fields with Genymotion name and http://plugins.genymotion.com/eclipse/ location
有两个空,第一个填Genymotion,第二个填http://plugins.genymotion.com/eclipse/ location就可以了,之后有可能显示不出来是因为下面有几个打勾的选项,取消勾选就显示出来了