The botanical name of hop is Humulus lupulus L. In modern beer production, hops mainly provide bitterness, which is used to neutralize the sweetness and greasiness of malt, making it easier to drink, so it is called hops. 

Hops contain hop resin, hop oil and polyphenols. The composition of Hops is complex and have dual personalities. They can stimulate appetite and enhance digestion, but they are also a strong tranquilizer that can relax the body and mind. 

Mixing hops and orange tree leaves to make tea, not only rich in aroma, but also can relieve symptoms such as insomnia. In addition, hops can also sweat, purify and repel insects. 

Early beer is easy to go bad and sour. Wild hops entered the vision of the brewer. It not only has a refreshing fragrance, but also has a bitter taste in the mouth. The brewer tried to add hops to the beer production, and the beer brewed was bitter. But it is not astringent, fresh and refreshing, the taste is more pure, and the storage period is longer.

Hops can give beer a unique flavor. It comes from the viscous colloidal substance secreted by the hop glands of hops-hop resin, which is also the core substance that gives beer the characteristic bitter taste. This ingredient is indispensable for the beer flavor that makes drinkers infatuated. Hop oil is also a substance secreted by the hop glands. It contains more than 200 substances and has the fragrance of malt. 

Hops seem to be specially made for beer and are already one of the indispensable raw materials in the modern beer brewing industry.