Positive anticardiolipin antibodies can be converted. The conversion depends on the progress of each individual and the treatment of the disease. Anti-cardiolipin antibodies are autoantibodies that use negatively charged phospholipids on the platelet endothelial cell membrane as antigens, and are commonly found in autoimmune diseases such as antiphospholipid syndrome and systemic lupus erythematosus, etc. Anti-cardiolipin antibody positivity in women can induce miscarriage during pregnancy, and can also easily lead to intrauterine developmental delays and hypoxia in the fetus. For patients with positive anticardiolipin antibodies during pregnancy, treatment with oral hormonal drugs such as prednisone acetate tablets and aspirin can be tried under the supervision of a doctor. Patients with autoimmune diseases such as systemic lupus erythematosus, who have no associated complications or symptoms of systemic involvement, and who are purely positive for anticardiolipin antibodies, may also experience conversion problems on the basis of treatment for this disease. It is recommended that patients who are found to have positive anticardiolipin antibodies should consult the rheumatology and immunology department of regular hospitals, and complete the relevant examinations under the guidance of the doctor, so that the diagnosis can be clarified and treatment can be carried out as soon as possible.