Two tax in invoice

In the sales bill more than two tax deduction. What do I do to deduct from the bill?

This guide has the details of handling multiple taxes on an invoice
Work with multi-component custom tax codes

Without further details of the kind of tax you are talking about it is not possible to give a more precise answer. There are a large variety of tax situations and setups in the world and what is appropriate in one country may not be at all appropriate in another

If you are referring to applying different tax codes to different items on a sales invoice, that is entirely possible. Both tax codes must exist under Settings. Then, you just select the tax code that applies to each line item on the invoice.