Abstract: The multifunctional utilization of rape is an effective way to improve the efficiency of rape planting and promote the development of rape industry. By investigating the current situation of rape industry and multi-functional comprehensive utilization in Taihu County in 2020, the article found that the rape industry in Taihu County has a certain production foundation, but there are many adverse factors. The paper puts forward that the cultivation technology of no tillage, machine sowing and machine harvesting should be vigorously promoted to improve the planting efficiency of rape. Cultivate leading enterprises, strengthen the connection between production and marketing and order planting. Plan the development path of rape industry. Increase investment in rape production and expand rape planting area.