do we need to applied another visa?

I am a Filipino working here in HONGKONG and i invited my friend a Pakistani national and presently working in United Arab of Emirates to visit me here in HONGKONG for seven days. Im planning to visit Macao together with him for 1 day and go back HONGKONG for his departure ..do he needs still to apply? I wanna know what shall we do...thank u for ur future feedbacks about this matter. More power...