Can I change Total Tax to Total VAT 7% Thanks for help new comer.

Hello there, @duangdao!

You can edit the rate of the sales tax or VAT you collected from the Taxes menu.

1. Go to Taxes.
2. Select Edit.
3. Click Edit Rates.
4. Find the sales tax rate you wanted to edit.
5. Under ACTION, select Edit.
6. On the Sales Rate field, enter 7%.
7. Click Save.

Lastly, here's a few articles you can read for ideas to help manage your sales tax: Tax for QuickBooks Online.

Keep me posted  in the comments if you have any other questions.I'll be here to help.