Mint, also known as Mentha arvensis, is a perennial herb. The stem and leaves are used as medicine, and have the effect of dispersing wind, dissipating heat, detoxifying, and penetrating rashes. Menthol contains volatile oil, its main components are menthol and menthone, is the main raw material for the extraction of menthol. Mentha piperita prefers sunny, warm and humid environments, and a frost-free period of more than 200 days is desirable. The soil requirements are not strict, in addition to heavy alkali and heavy clay. Sand, can be planted, but to fertile loam and sandy loam is good. Sunlight has an important role to play in increasing the content of menthol and mint oil, especially in the pregnancy buds and flowering period, there should be sufficient sunlight, so mint should not be planted in the shade.

Mint is generally propagated by rhizomes, but can also be sown from cuttings and propagated by seeds. The latter two methods of slow growth, easy to mutate, generally used less. Propagation with rhizomes, spring planting or pre-winter planting can be, spring planting more in late March to early April, pre-winter planting in late October around.

The best thing about mint is that it's best to plan and plant to prevent the rhizomes from drying out. If it needs to be shipped out, it should be packed in sacks. After the mint rhizome planing out, select the short, fat, yellowish-white new roots, cut into small sections of 6 to 10 centimeters, each section should have 3 to 4 stem nodes. In the bed according to the row spacing of 30 ~ 35 cm, open 5 ~ 6 cm deep ditch, the rhizome according to 17 ~ 20 cm a pier, each pier 2 ~ 3 plants planted into the ditch, and then covered with a solid, and immediately watered. Spring planted rhizomes, the temperature at 18 ~ 20 ℃ conditions, 10 ~ 15 days seedlings, pre-winter planted the following spring seedlings