The ways to learn Cantonese quickly are:

Listen more: Bookstores also have textbooks for learning Cantonese, and they are equipped with CDs or tapes. You can buy a set to listen to every day, or you can go to the learning website to listen to it online for free. When visiting a market or shop, pay attention to the conversations of people around you, try to understand them, and always create a language environment for yourself.

One more thing: learn from daily conversations first. Learn three sentences a day by circular learning. Before learning new words, review three sentences from yesterday and the day before yesterday to apply what you have learned. If others hear you, you can also ask them if they have done anything wrong and correct it immediately. If you often speak and use Cantonese, you will make great progress.

Take advantage of the convenient resources around you: for example, you can listen to Cantonese songs more and imitate them while listening. Learning Cantonese by listening to songs is neither boring nor effective. Or you can watch Cantonese TV dramas and movies. Many Cantonese operas are very good-looking. You can learn Cantonese while watching them. Or use Cantonese learning software, you can learn anytime and anywhere, which is very convenient.

Master the corresponding laws of Cantonese and Mandarin: Cantonese and Mandarin are both Chinese, and their initials, finals and tones all have certain corresponding laws. Mastering the corresponding law between them will get twice the result with half the effort. Generally speaking, Cantonese has more sounds, rhymes and tones than Mandarin. For example, words with the same initials in Mandarin may be divided into two or three initials in Cantonese.