In fruit tree cultivation, "raisin" is the name given to a small number of endemic varieties in the group of grape varieties, which is a collective name for the group of varieties of hard-fleshed grapes. In other words, the raisin is a class of grapes.

"Raisin" is what Hong Kong people call grapes. No matter what variety of grapes in Hong Kong are "grapes" (pronounced similar to the Mandarin "broken Tai Chi"), referred to as "grapes" (pronounced similar to the Mandarin "Tai Chi"). (pronounced like the Mandarin word "taiji"). Only in mainland China, only the large imported called grapes, ordinary kinds of grapes. Therefore, "raisin" is the short form of "grape" in Cantonese, which has a new meaning after being used in Mandarin.