You can choose a gentle slope with a slope of 5- 15 degrees, good drainage and humus soil or sandy loam rich in organic matter. Corn, peanuts or beans are suitable for planting Panax notoginseng in a large area in farmland, and Solanaceae is not suitable as the previous crop. Where conditions permit, soil disinfection can be carried out by spreading grass, burning soil or applying lime 100 kg per mu before ploughing.