There is no clear scientific basis to show that there are 5 obvious signs of anemia in women, and the diagnosis of anemia in women mostly relies on clinical symptoms and laboratory tests. The symptoms of anemia are mainly manifested in the respiratory system, circulatory system, digestive system, nervous system, endocrine system, etc. 1. Respiratory system: the main signs are difficulty in breathing, shortness of breath, shortness of breath, etc. Due to anemia, the red blood cells do not carry enough oxygen and the oxygen supplied to the tissues is lacking. 2. Circulatory system: the main signs are palpitations, anemia causes the energy of blood to transport oxygen to drop, and to meet the needs of the body This causes compensatory acceleration of blood pumping in the heart to meet the needs of the body, which can lead to heart enlargement and even the risk of heart failure if blood replenishment treatment is not carried out in time; 3. Digestive system: due to anemia, the blood flow in the digestive system decreases and cannot adequately supply cellular energy, resulting in signs such as nausea, vomiting, diarrhea, indigestion, decreased appetite, etc.; 4. Nervous system: mainly manifests as dizziness, headache, lack of concentration, The endocrine system: mainly manifests as less menstrual volume, lighter color, irregular menstrual cycle, etc., mainly due to insufficient blood supply; 6, other: there are malnutrition, easy fatigue, poor skin elasticity, brittle nails with horizontal lines, pale skin mucosa, and in severe anemia, there are also symptoms of reduced urine concentration.