1. Online teaching platform: There are many popular dance teaching videos shared by professional dancers or dance coaches on YouTube, Billi and other platforms. You can choose the right video to learn according to your own interests and preferences.

2. Dance teaching websites: There are some special dance teaching websites that provide popular dance teaching courses, such as JustDanceNow and DancePlug. These websites usually have courses at different levels, from elementary to advanced, which are suitable for learners at different levels.

3. Dance school or studio: If you want to learn popular dance systematically, you can consider signing up for a local dance school or studio course. These institutions usually have professional dance coaches and teams, which can provide more comprehensive and professional teaching.

4. Mobile applications: There are some mobile applications that provide popular dance teaching courses, such as Zumba and StreetDance. These applications are usually equipped with video teaching and music, which can be learned anytime and anywhere.

5. Social media: Pay attention to the accounts of some popular dance coaches or dancers on social media. They usually share some teaching videos or dance challenges and learn and improve by imitating their dance movements.

No matter which course you choose, it is important to be patient and persistent, practice more and gradually improve your dancing skills.