You need a professionally accredited qualification in hypnotherapy. The professional organisations are the Hypnotherapy Society, the National Council for Hypnotherapy, etc. You can find several hypnotherapy related courses like NCH Hypnotherapy Practitioner Diploma. You can also go for graduate level and post graduate level hypnotherapy courses. If you have experience in counselling or healthcare, it can also be helpful while pursuing such courses.

There are also ongoing education opportunities for practitioners of hypnotherapy, which are organised by the professional associations. You can also join the different associations to keep yourself up to date to the latest news trends in the sector. You will also have access to newest techniques developed by members, conferences and short duration courses.