Antiphospholipid syndrome is a disease with clinical manifestations such as thrombosis, habitual abortion and thrombocytopenia. Laboratory tests often reveal specific antibodies such as lupus anticoagulant, anti-cardiolipin antibody and positive anti-β2 glycoprotein 1 antibody, and the incidence of the disease is more frequent in women than in men. The clinical manifestations of the disease mainly include the following three points: 1. thrombosis: it is the main clinical manifestation and can occur in any part of the body, often involving the blood vessels of the heart, brain, lungs and other important organs and peripheral vasculature, causing different clinical symptoms, such as cerebral infarction, myocardial infarction, pulmonary embolism, etc.; 2. habitual abortion: the cause may be intravascular thrombosis of the placenta, leading to intrauterine fetal death and miscarriage, and may also lead to preterm birth or The first symptom may be developmental delay, and women of childbearing age with habitual miscarriage should be aware of this disease; 3, thrombocytopenia: manifested as moderate thrombocytopenia, but bleeding events rarely occur. Antiphospholipid syndrome can be primary, but mostly secondary to systemic lupus erythematosus or other immune system diseases. In severe cases, catastrophic antiphospholipid syndrome can occur, manifesting as multiple thrombosis, multi-organ failure and severe thrombocytopenia, which is life-threatening. In the case of severe thrombocytopenia and autoimmune hemolytic anemia, a combination of hormones and immunosuppressants is available (please consult a specialist at a regular hospital for specific medications).