Multiple parent answers for one child answer (cascading select)

[Kal_Lam]

Welcome to the community, @Sun! Maybe you could do it as outlined in the post discussed previously:

Cascade in reverse way

The issue is with the typo error in your choices sheet: [Image 1] I changed this, and it fixed the issue: [Image 2] Updated xlsform: cascade.xlsx (10.8 KB)

This post should also be helpful:

Displaying choices based on previous group (reverse cascading)

Hi @pashches, Welcome to the community! You could also try this out apart from what @NoelCartONG has advised. In the survey tab of your xlsform: [Image 1] In the choices tab of your xlsform: [Image 2] Data entry screen as seen in Enekto: [Image 3] Reference xlsform: Cascading Select.xlsx (12.0 KB) Have a great day!