Question: how to become a behavioral health nurse?
Answer: Earn A Bachelor's Degree. In order to become a psychiatric nurse, you will need to earn a bachelor's degree in nursing, also known as a BSN. ... 
Do An Internship. ... 
The NCLEX-RN. ... 
Find Your First Job. ... 
Earn A Master's Degree. ... 
Become An APN. ... 
Nurse Practitioner Certification.