There are more causes of plantar cramps, and the relief methods used will differ according to the different causes, as follows: 1. Calcium supplementation: If plantar cramps are caused by calcium deficiency, patients should actively supplement calcium, including intravenous drips of calcium gluconate for clinical purposes, which can quickly raise the level of calcium ions, to take oral calcium carbonate granules, calcium tablets or active vitamin D3 tablets, and also eat more high-calcium foods, such as high calcium milk, dairy products, eggs, etc. This can boost the body’s calcium ion stores and relieve plantar cramps.2. Rest and hot compresses: If plantar cramps are caused by strain or sprain of the plantar muscles, the patient should take more rest and prohibit sports for about two weeks. plantar muscle massage can be performed, and local hot compresses can also be applied to relieve muscle spasms and relieve cramps.