Calcium deficiency in women can affect all systems of the body, such as neuromuscular excitability caused by muscle spasms, convulsions and other symptoms; secondly, it can lead to abnormalities in the skeletal system, such as osteoporosis; cardiovascular system, such as the emergence of cardiac arrhythmia and other symptoms. 1. Abnormal symptoms of the nervous system: the lack of calcium in a woman’s body can lead to a decrease in blood calcium levels, causing an increase in neuromuscular excitability, which can lead to muscle spasms, twitching, convulsions and other phenomena, and in severe cases, it can lead to epilepsy and tracheal spasms. 2. Abnormal symptoms of the skeletal system: calcium is needed to support bone health, if a woman lacks calcium in her body, it can lead to bone pain and pathologic fractures, and for middle-aged and elderly women, osteoporosis and osteochondrosis can occur earlier. 3. Abnormal symptoms of cardiovascular system: Calcium deficiency in a woman’s body can also affect the cardiovascular system, leading to arrhythmia and heart failure and other abnormal symptoms. 4. Other abnormal symptoms: lack of calcium in a woman’s body means that the body’s nutritional intake is not balanced, which can lead to a decline in the body’s immunity. Secondly, long-term calcium deficiency can also cause dry skin, thinning hair and other abnormal manifestations. Therefore, when the above abnormal symptoms occur, pay attention to the hospital in a timely manner.