1, home automatic coffee machine, is the mainstream coffee machine in the family at present, and can be used to make all kinds of espresso. Household automatic coffee machines can be divided into automatic foaming and manual foaming. Automatic foaming is expensive and of poor quality, so it is not recommended.

2, home semi-automatic coffee machine, which is the first choice for coffee players. Because the domestic coffee machine is based on the principle of heat exchange, it can't provide enough water temperature and steam, so there is still a certain gap compared with the commercial automatic coffee machine.

3. Capsule coffee machine is a coffee machine widely used in European and American families today. Capsule coffee machine is a manufacturer who first puts coffee powder into plastic capsules and then fills them with nitrogen to keep them fresh. When you want to drink coffee, just put the capsule into a special machine and you will soon get a cup of fragrant coffee.

4. American coffee machine, also known as drip coffee machine. This kind of coffee machine costs only a few hundred yuan, so it can be seen everywhere in the market. Because the American coffee machine has no grinding function, it needs to be equipped with a bean grinder.

5. Coffee maker: Mainly put coffee powder into various containers, add water to boil coffee liquid on the heating power supply, and then filter to remove coffee grounds before drinking.

6. Drip-filter coffee machine: It mainly heats the water, pours the coffee powder layer, and then extracts the coffee liquid by natural drip filtration. Because boiled water has been soaked in coffee powder for a long time, the caffeine content is also high. The function of American coffee machine is usually simple, and the operation is correspondingly more convenient. You just need to press the button gently and wait for the delicious coffee to appear, which is much more convenient than the traditional italian coffee machine products. American coffee machines are mostly suitable for home use, and Philips and Siemens coffee machines commonly used in supermarkets are mostly American coffee machines.

7. Siphon (plug wind) coffee machine: Coffee liquid is extracted mainly by heating water, using the steam water generated by it to closely contact with coffee powder, after a short stirring time, and then filtering coffee grounds. Siphon coffee pot can make mellow coffee, which is incomparable to ground coffee brewed by machine.