Clover grass plant height 30-100 centimeters, stems erect or spreading, the upper edge of the leaflets have fine teeth, the flowers are small, yellow or purple. Clover grass is an annual or perennial herb, has a strong adaptability, drought resistance, heat and cold resistance, like warm, moist, light-rich environment, the growth period needs to have sufficient light, prompting the plant to fully photosynthesize.

Alfalfa grass seedling growth is slow sowing can be done all year round. In addition to feeding livestock, alfalfa also has a tenacious vitality, can be used for soil and water conservation, sand prevention and sand fixation, slope protection and greening of mountainous areas. Gardening is mostly used for saline and alkaline land, barren land on the greening, landscape wildflowers with grass species.

Clover is rich in saponin and other bioactive substances, with the function of removing oxidized free radicals and improving the activity of antioxidant enzymes, thus improving the antioxidant property of livestock and poultry.

Alfalfa can effectively improve the production performance of pigs. Wang Yanhua et al. reported that the addition of 0.5% alfalfa saponin to the diets of Dugong large ternary hybrid piglets can significantly increase the daily weight gain of piglets and significantly reduce the feed-to-weight ratio.