My dog just die what should l do

I so sorry for your loss I think you should wait a couple months or maybe a year to decide if you want another dog. If you decide you want another I would consider buying one from your local animals shelter or a humane society

Please clarify your question: Are you asking about what you should do for yourself because you're emotionally distraught OR did your dog pass away at your home and you're not sure what to do? If the latter, call a mobile vet (google: Mobile vet + your city). Most will be able to help you out.