Now to answer your question,

If a conventional dressing is used,

Change the dressing every two or three days,

If it is a topical Chinese medicinal ointment,

Two or three times a day, not too thick!

You don't have to wash it with clean water every day. It is recommended to wash with normal saline!

Bathing is not recommended! No spicy food, no alcohol!

After the answer, if there is anything unclear, you can ask me again!

I hope it helps you, my friend!