Foot pain at night can be relieved by calcium supplementation, the use of drugs, etc., as follows: 1. Calcium supplementation: the most common cause of foot pain at night is calcium deficiency, because calcium ions can inhibit neuromuscular excitability, when calcium deficiency neuromuscular excitability will increase, easily causing spasmodic pain in the foot and calf, so often occurs at night cramps. Hospital for blood calcium testing, if it is clear that there is a decrease in blood calcium, must actively supplement calcium, you can enter calcium gluconate injection to quickly correct blood calcium, but also usually eat more high-calcium food, such as high-calcium milk, dairy products to promote calcium ion elevation. 2, celecoxib, meloxicam drugs: If you consider plantar fasciitis, especially in the daytime when a lot of walking, it will cause plantar fascia damage and Inflammation, manifested as more obvious pain at night, the appearance of this situation to avoid excessive weight walking, daily foot soak for half an hour, you can routinely use celecoxib, meloxicam and other anti-inflammatory drugs to relieve pain and eliminate inflammation.