Many reasons can cause hamstring pain, such as standing for a long time, muscle strain, and keeping a posture for a long time, resulting in poor blood circulation in the legs, which can lead to muscle spasms causing pain. If this is caused by this situation, adjust the standing posture, sitting posture, pay attention to the local cold and warmth, appropriate massage, physiotherapy, hot compresses, can help relieve the symptoms. Calcium deficiency can also cause hamstring pain, go to the hospital to do a blood calcium level test, you can diagnose the severity of calcium deficiency. Eat more calcium-rich food and sunshine to promote calcium absorption, and drink less carbonated drinks to prevent calcium loss. Inflammation of the joints leads to poor local blood circulation, causing hamstring pain, should be actively treated joint inflammation, pain at the same time choose to use hot water bags hot compresses on the painful parts, can reduce the symptoms.