想問問大陸人可唔可以係香港買package 去第二度玩??

當然可以！You can help your friend to join the package.
But 個朋友要簽二次香港簽證,因要先從香港出發去北京,and than 從北京 to 香港,Than was need 2 times of 簽證. Hope can help you.

當然可以！

香港人亦都可以係大陸買package 或參加旅行團。