1) Tooth extraction or other minor operations within half a month.

(2) Three days before and after menstruation, less than six months after pregnancy abortion, and less than one year after childbirth and lactation.

(3) Those who have recovered from cold and acute gastroenteritis for less than one week, acute urinary tract infection for less than one month and pneumonia for less than three months.

(4) Some infectious diseases, such as dysentery, typhoid fever, brucellosis and malaria, were cured in less than half a year, one year, two years and three years respectively.

(5) Transfusion of whole blood and blood component in recent five years.

(6) Less than half a year after major surgery and less than three months after appendectomy, hernia repair and tonsillectomy.

(7) Less than one week after local skin inflammation healed, and less than two weeks after extensive skin inflammation healed.

People with the following diseases cannot participate in blood donation.

(1) STD, leprosy and AIDS patients and HIV-infected people.

(2) Patients with hepatitis, those who are positive for hepatitis B surface antigen and those who are positive for hepatitis C antibody.

(3) Patients with allergic diseases and repeated allergies, such as frequent measles, bronchial asthma, and drug allergy (blood donation is not allowed when measles is acute).

(4) Patients with various tuberculosis, such as tuberculosis, renal tuberculosis, lymphoid tuberculosis, bone tuberculosis, etc.

(5) Patients with cardiovascular diseases, such as various heart diseases, hypertension, hypotension, myocarditis, thrombophlebitis, etc.

(6) Patients with respiratory diseases, such as chronic bronchitis, emphysema, bronchiectasis with pulmonary insufficiency.

(7) Patients with digestive system and urinary system diseases, such as severe gastric and duodenal ulcer, chronic gastroenteritis, acute and chronic nephritis, chronic urinary tract infection, nephrotic syndrome, chronic pancreatitis, etc.

(8) Patients with hematological diseases, such as anemia, leukemia, polycythemia vera and various bleeding and coagulation diseases.

(9) Patients with endocrine diseases or metabolic disorders, such as pituitary and adrenal diseases, hyperthyroidism, acromegaly, diabetes insipidus, diabetes, etc.

(10) Patients with organic nervous system diseases or mental diseases, such as encephalitis, sequelae of brain trauma, epilepsy, schizophrenia, hysteria, severe neurasthenia, etc.

(1 1) Patients with parasitic diseases and endemic diseases such as kala-azar, schistosomiasis, filariasis, hookworm disease, cysticercosis, paragonimiasis, Keshan disease and Kaschin-Beck disease.

(12) Patients with malignant and benign tumors that affect their health.

(13) Those who have had important internal organs such as stomach, kidney and spleen removed.

(14) Patients with chronic skin diseases, especially infectious, allergic and inflammatory systemic skin diseases, such as chloasma, eczema and psoriasis.

(15) Patients with ocular diseases such as keratitis, iritis, optic neuritis and high myopia with fundus changes.

(16) autoimmune diseases and collagen diseases, such as systemic lupus erythematosus, dermatitis and scleroderma.

(17) People with a history of drug abuse.

(18) Homosexuals and multiple sexual partners.

(19) Patients with other diseases that the physical examination doctor thinks cannot donate blood.