The efficacy of cyclosporine in the treatment of thrombocytopenia needs to be based on the cause of the disease. If thrombocytopenia is caused by non-heavy aplastic anemia, early intervention can be made by cyclosporine or androgens, but thrombocytopenia caused by other diseases, oral cyclosporine is ineffective. 1. Cyclosporine belongs to a kind of immunosuppressant, mainly through the inhibition of the body’s own immune function, in order to reduce the number of platelets destroyed and thus increase the platelet count. Compared with the first line of treatment, the effect of cyclosporine alone is not optimal. In non-severe aplastic anemia, androgens (testosterone undecanoate) or (and) cyclosporine are usually used for early intervention, and the dosage of cyclosporine is adjusted according to the blood concentration, which has a good therapeutic effect. 2. Other diseases that can cause thrombocytopenia include acute leukemia, primary immune thrombocytopenia, systemic lupus erythematosus, severe infections, liver disease, etc., need to address the cause of the treatment, such as acute leukemia to be a cytarabine chemotherapy, oral cyclosporine is ineffective. Cyclosporine adverse reactions include rash, diarrhea, fever, etc. Severe hepatic and renal impairment and allergy to the product is contraindicated in patients. The use of drugs should be under the guidance of a doctor.