Decreased spleen function will show digestive system symptoms, decreased immunity, anemia and other manifestations. 1. Digestive system symptoms: such as loss of appetite, nausea and vomiting, belching, abdominal pain, bloating, diarrhea and constipation and other clinical manifestations. 2. Decreased immunity: patients with decreased spleen function are prone to recurrent attacks of colds, tonsillitis, asthma, bronchitis, pneumonia and diarrhea. 3. Anemia: it will lead to headache, dizziness, insomnia, memory loss, poor concentration, pale skin and mucous membranes, and decreased exercise endurance. It is recommended to visit the hospital in time when discomfort occurs, make a clear diagnosis under the guidance of the doctor, and actively treat it.