Hello. The age of voluntary blood donation is 18-55 years old, and the health requirements for blood donation are: 1. Men weigh more than 50 kg (including 50 kg); Women weigh more than 45kg (including 45kg). Normal development, good health, no obvious disability. 2. Patients with the following diseases are not included in the scope of blood donation: they have a history of hepatitis and schistosomiasis; And HBSAg positive; Patients with hypertension above stage Ⅱ (including stage Ⅱ); Patients with heart disease; Patients with chronic nephritis, gastroduodenal ulcer bleeding (within five years) and upper gastrointestinal bleeding; Tuberculosis (excluding health transfer) and other tuberculosis patients; Meniere's disease, major organ resection and other patients; Allergy and dizziness; Suffering from chronic diseases and infirmity; Pregnant and lactating women, disabled people, etc. In addition, those who meet the health requirements through blood tests, such as those with acute diseases such as sudden colds, should suspend blood donation.