1. hobbies: it is easier to keep your enthusiasm and motivation for learning by choosing your own fields of interest.
2. Personal advantages and talents: If you have special talents and talents in a certain field, you can consider choosing this field for in-depth study and development.
3. Learning purpose and demand: If you want to acquire a certain skill or certificate through learning, you can choose related fields to study.
4. Learning resources and conditions: If you have better learning resources and conditions around you, you can consider choosing a more suitable field to study.