The title "家庭教育指导师证" in English can be translated as "Certificate in Family Education Guidance" or "Certificate in Parenting Guidance".

If you want to write more than 888 words, you can provide additional information about the content of the training program for becoming a family education guidance teacher, such as the course outline, key topics covered, skills and knowledge required, and any certification or credentialing requirements. You can also discuss the benefits of having this certification, such as increased credibility, job opportunities, and better understanding of child development and parenting strategies.