Calcium deficiency usually does not cause ptosis, severe hypocalcemia, may cause muscle contraction weakness, there will be eyelid ptosis, but this time will also be accompanied by a variety of serious systemic symptoms, such as abdominal distension, dyspnea, inability to exercise and so on. Usually, calcium deficiency does not cause ptosis, for the lack of calcium, the main harm is the possibility of affecting the development of bones, if the children are deficient in calcium, rickets can occur. Severe hypocalcemia patients, due to calcium deficiency, can lead to muscle contraction weakness, then the patient may have symptoms of eyelid ptosis, but also accompanied by a number of systemic manifestations, such as digestive muscle contraction weakness caused by abdominal distension, respiratory muscle contraction weakness caused by breathing difficulties, as well as the whole body skeletal muscle contraction weakness caused by the inability to move normally. Patients with hypocalcemia are advised to seek prompt medical attention to evaluate their condition and follow medical advice.