There are many resources on the internet where you can learn more about QHHT. Here are just a few links:
U-tube videos by Dolores Cannon.
Changes Needed for the New Frequencies
Quantum Healing Hypnosis Technique
The Convoluted Universe 3
A chat with the Ego -
an understanding in integration of human consciousness.
How to trust your knowing with Suzanne Spooner & Ron Head