The invention relates to the technical field of agricultural planting, in particular to a konjac double row strip planting and secondary ridge cultivation method. Konjac double-row row planting method for secondary ridge cultivation, comprising the following steps: A, site selection; B, soil disinfection; C, seed selection; D, planting taro disinfection; E, sowing; F, fertilization; G, cultivating soil moisture ; H, weeding; I, mulching; J, control of plant diseases and insect pests; K, excavation of konjac ball diameter. The invention has high seedling emergence rate, high fertilizer utilization rate, one-time fertilization, good drainage effect, good ventilation and light transmission, low disease occurrence rate, less labor input, high expansion rate of commodity taro bulbs, time-saving and labor-saving planting, and time-saving and excavation. Can be harvested mechanically.