If I create a new Apple ID will I loss all my information on my phone?

Depending upon what you are trying to accomplish in doing so, you might lost at least some.

Merging, splitting or transferring items between Apple accounts (IDs) is for the most part not officially supported. Read the links below for things you may need to do to transfer as much as is possible and to share some others.

Apps and media bought with one ID are permanently associated with that ID. Look into using Family Sharing to continue to be able to use items purchased with one Apple ID with other Apple IDs, and for some data sharing features.

- Family Sharing - What is Family Sharing? - Apple Support

- Set up Family Sharing - Set up Family Sharing - Apple Support

Share folders with iCloud Drive --> Share files and folders in iCloud Drive on iCloud.com - Apple Support

Read How to use Shared Albums in Photos on your iPhone, iPad, and Mac - Apple Support about how to share photos.

If you have signed into the first ID on a device then fortunately when you sign out of that ID, do not erase the device, then sign in with a different ID, it asks you in most cases if you wish to merge the data from the two IDs on your device (toggle the ones you want to on). Say yes and later delete individual items from the other ID that you do not want. Note, in How to save apps and progress on one Appl… - Apple Community a Community Specialist says, "you will not be able to transfer the meta data from one Apple ID to another. Once you switch to another Apple ID the information associated with the old Apple ID will be gone except for physical content on the device like photos and videos." Also turn off storage optimization before doing this. With Optimize Storage, smaller, space-saving photos and videos are kept on your device while all of your original, full-resolution versions are stored in iCloud. Make sure photo optimization is turned off. Manage your photo and video storage - Apple Support

Why are you trying to create a new Apple ID?

You should not, unless it's absolutely necessary, create a new Apple ID. You should maintain your Apple ID accessible and with a functional email account.

You won't not lose data downloaded to the iPhone, but may lose access to data stored in iCloud and any purchases not downloaded to the iPad when you sign in to a new Apple ID.

Also, all Apps will remain tied to the Apple ID that downloaded them, and will always require it and its password to update. No way to change this short of deleting the apps, and downloading them again.

What exactly are you trying to accomplish?