Contraindications after lumbar spine fusion mainly include excessive activities, especially in the lumbar region, and avoid eating spicy and stimulating food, as well as avoiding prolonged bed rest. 1. Contraindication to excessive exercise: the main contraindication after lumbar fusion is exercise, three days after surgery, try to rest in bed, reduce walking on the ground, during the period in order to avoid thrombosis can be appropriate to move the feet. After three days, it is recommended to wear a brace to protect the lumbar region and avoid bending or lifting. 2. Diet: In order to promote recovery after lumbar fusion surgery, avoid eating spicy and irritating foods such as chili, ginger and garlic. At the same time, you should increase the intake of high protein food to ensure nutritional intake. 3. Avoid prolonged bed rest: you don’t need to stay in bed for a long time after the surgery, you need to have timely rehabilitation and exercise, and pay attention to prevent the occurrence of bed sores. When you are in bed, you should often turn over and massage the pressurized parts and massage the joints. It is recommended to keep a good mindset after the operation and have regular checkups.