Thymopentin has no role in the treatment of thrombocytopenia. Thymopentapeptide for injection belongs to immunomodulatory drugs, which is mainly applied to patients over 18 years old with chronic hepatitis B, various primary or secondary T-cell deficiency diseases, autoimmune diseases such as rheumatoid arthritis, systemic lupus erythematosus and other autoimmune diseases, various cellular immune dysfunctions, and adjuvant treatment of tumors. Therefore thymopentapeptide has no role in the treatment of thrombocytopenia. Adverse reactions of thymopentin for injection include nausea, fever, dizziness, weakness, etc. It is prohibited for people who are allergic to the drug and organ transplant recipients. The use of thymopentapeptide needs to be carried out under the guidance of a doctor, and the indications of the drug need to be strictly mastered to avoid blind abuse. When the patient has thrombocytopenia, need to actively identify the cause of the disease, according to the specific cause of the choice of drug therapy, if the aplastic anemia often use cyclosporine and other drugs, if the systemic lupus erythematosus often use prednisone and other treatments, when the platelet count is significantly reduced need to be transfused with platelets for treatment. Thrombocytopenia has many causes, it is recommended that patients consult a professional hospital, by the doctor to develop a treatment plan, it is recommended to follow the doctor’s instructions and medication, so as not to delay the condition.