If you are filing as Married Filing Separately none of your spouse's income is entered on your tax return. You only enter their name and Social Security number on your tax return.
You should be filing as Married Filing Jointly even if one spouse has little or no income. MFJ is more tax advantageous then filing separately.
See this TurboTax support FAQ for filing jointly versus separately - https://ttlc.intuit.com/community/married/help/is-it-better-for-a-married-couple-to-file-jointly-or-...
