How to Create an E-commerce Form?

Sir... I have to make one e-commerce blog and so I want some help from yours... Actually I don't know how to use this google form to my blog... Also I don't know that how the costumer would buy any products from my blog.. . So, can you plz help me.. .

You can create a form with Jotform and then add the products and payment widget to the form. After this, you can then embed the created form on blogger. Refer to these guides:

- Mastering Payment Form Integrations

- How to Create Your First Web Form

So I don't understand what are you saying
Plz tell me clearly
...

So to explain further. Follow the steps below to have your form setup;

1. Go to https://www.jotform.com/signup, sign up and create an account.

2. Once within the builder, click the Create Form button. 

3. Go ahead to create the form and add the fields you require on your form from the sidebar.

4. Add a Payment Widget to your form to collect payments.

The guides I attached above are to help you to create the form and add the fields you require.