Zinc deficiency may lead to zinc deficiency, and patients may suffer from backward growth and development, infections, anorexia, low vision, skin lesions and hair loss. 1. Backward growth and development: Zinc is an indispensable nutrient for human body, if zinc deficiency may affect the synthesis of nucleic acids and proteins, affecting the development of children, leading to low height and weight, and even have an impact on intellectual development. 2. Infections: Zinc deficiency can easily reduce immunity and lead to infectious diseases such as colds and pneumonia. 3. Anorexia: Zinc deficiency can easily reduce the function of taste buds, leading to symptoms such as loss of appetite, anorexia, and may also lead to xenophagia. 4. Low vision: zinc deficiency may lead to abnormal metabolism of vitamin A, affecting vision, night blindness, cataracts and other vision disorders. 5. Skin lesions and hair loss: Patients with zinc deficiency may experience dry skin, hair loss, rashes, acne and other symptoms. Patients can seek timely medical treatment under the guidance of doctors, eat more poultry, liver, seafood, beans and other foods, and supplement zinc sulfate, zinc gluconate and so on if necessary.