Alfalfa is the general name of alfalfa, commonly known as cauliflower, which is a perennial flowering plant. One of the most famous is alfalfa as a pasture. There are many kinds of alfalfa, most of which are wild medicinal materials.

There are three main kinds of alfalfa produced in China. It has high nutritional value, and has the effects of clearing spleen and stomach, benefiting large intestine and reducing bladder stones. Alfalfa contains the most abundant vitamin K, which is higher than all vegetables. Others such as vitamins c and b are also quite rich. This is livestock feed. It was introduced from the western regions in the Western Han Dynasty.