1, pizza grass alias oregano leaves or majolica, perennial growth of woody plants, the main stem height to width ratio of about 2 cm, seed germination 7-12 days, perfect time 55 days generally apply its leaves and bloom after the top branches to carry out the dry manic after seasoning. Taste some have bitter or spicy flavor. It is also more because of this kind of strong pungent flavor, often used in cooking to remove the lamb's taste of meat food. It is usually added to spaghetti bolognese or pizza, which is why it is built into some of the semi-finished pizzas. In shape, the leaves of the pizza grass, on the other hand, are tetragonal and somewhat bluish-purple in color. However, they are usually found in small jars at the market, so there is no way to tell what they look like in their original form. Pizza grass tastes a little bitter, a little peppery.

2, pizza herb has some antibacterial effect. In in vitro tests, water decoction of pizza grass has some antibacterial effect. It has the strongest antibacterial effect on Staphylococcus aureus, S. typhi, S. pyogenes, E. coli, S. dysenteriae and S. paratyphi are also good antibacterial effect. The antibacterial components are stored in the leaves and stems, and the roots have no effect.