How can I create a form to stock management?

Hello, 

please , may you help me, how can i create a form to with a stock manage option ?

Thank you 

I understand that you want to make an order form and manage the stock to decrease after receiving an order. If so, you may consider use one of the widgets below on your form to manage the stock.

https://widgets.jotform.com/widget/inventory

https://widgets.jotform.com/widget/ticket_purchases

Please refer to the guide below that can help you to achieve your requirement.

https://www.jotform.com/help/426-How-to-Setup-a-Payment-Order-Form-with-Limited-Stocks

Please give it a try and let us know if you need any further assistance. We will be happy to help.