The bottom of the foot like cramp pain can be seen in the following reasons: 1, acute injury to the sole of the foot muscles: may be due to sprain to the foot, when there is acute injury to the muscle often occurs spasm, so it will show as the bottom of the foot cramp-like pain; 2, calcium deficiency: calcium ions can inhibit the excitability of the neuromuscular junction, when calcium deficiency neuromuscular junction excitability will increase, often manifested as hand and foot twitching, calf gastrocnemius muscle can appear Spasmodic pain, this pain often occurs at night. Patients should measure blood calcium in time, actively supplement calcium, and eat more high calcium food to correct the symptoms.