The causes of hand cramps like chicken claws in the elderly generally include hypocalcemia, hysteria, epilepsy, and so on. 1. Hypocalcemia: mainly due to calcium ions can reduce neuromuscular excitability, in hypocalcemia calcium ions are insufficient, resulting in increased neuromuscular excitability, so hypocalcemia will lead to the elderly hand cramps like chicken claw, this situation can be clear through the blood electrolytes to determine the cause of the disease. 2. Hysteria: in clinical patients with hysteria, when mood swings are relatively large, may be due to hyperventilation caused by respiratory alkalosis, resulting in hand cramps like chicken claw. This can be alleviated by using psychological suggestion therapy. 3. Epilepsy: epilepsy may also cause the elderly hand cramps like chicken claw, which is mainly due to abnormal discharges of neurons innervating movement in the brain, causing the patient’s limbs to have involuntary convulsions. Epileptic convulsions are often accompanied by ankylosis, foaming at the mouth and so on. There are many other reasons why the elderly hand cramps like chicken claw, need to consult a doctor in time to clarify the cause, do not blindly deal with their own, so as not to delay the condition.