1. Black tea: Black tea belongs to fully fermented tea.

2. Green tea: Green tea is made without fermentation.

3. White tea: White tea belongs to micro-fermented tea.

4. Black tea: Black tea belongs to post-fermented tea.

Second, the production method is different.

1. Black tea: Tea made from suitable new tea leaves through a series of technological processes such as withering, rolling (cutting), fermentation and drying.

2. Green tea: a beverage made from new leaves or buds of tea trees without fermentation, after deactivation, shaping and drying.

3. White tea: after picking, it is not fixed and twisted, but only dried or dried with slow fire.

4. Black tea: The tea-making process of black tea usually includes four processes: fixing, rolling, piling and drying.

Third, the characteristics are different.

1. Black tea: Tea polyphenols are reduced by more than 90%, resulting in new components such as theaflavins and thearubigins. Compared with fresh leaves, the aroma substances increased obviously. Therefore, black tea has the characteristics of black tea, red soup, red leaves and glycol.

2. Green tea: The color of the finished product and the brewed tea soup retain the green style of the new tea.

3. White tea: It has the characteristics of complete appearance, full hair, fresh Qing Xiang, clear yellow-green soup and light sweet taste.

4. Black tea: Black tea is usually made of coarse and old raw materials, and it often takes a long time to accumulate and ferment during the production process, so the tea leaves are oily black or dark brown.

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