The causes of sudden bursts of stabbing pain in the toes, including lumbar disc herniation, calcium deficiency, etc., are as follows: 1, lumbar disc herniation: when the herniated disc tissue compresses the spinal nerve roots, there will be acute radiating pain in the lower limbs, the pain can be from the buttocks to the back of the thigh, to the calf all the way to the toes. 2, calcium deficiency: calcium ions can inhibit the excitability of the neuromuscular junction, when calcium deficiency, the nerve The excitability of the muscle joints will increase, often causing twitching in the hands and feet, which can be manifested in the feet as a spasmodic pain and tingling in the toes, or as spasms and cramps in the calf belly muscles. In this case, a blood calcium test should be performed, and if it is clear that the blood calcium is low, prompt clinical calcium supplementation must be administered.