Sequelae of thrombotic thrombocytopenic purpura include: neurological abnormalities, renal function impairment, splenomegaly, and so on. 1. Neurological abnormalities: such as weakness, cognitive impairment, attention and memory abnormalities, etc. However, these sequelae basically do not affect normal activities and life. 2. Renal impairment: some patients with thrombotic thrombocytopenic purpura will have proteinuria, hematuria and other renal impairment after recovery, and in severe cases, renal failure will occur. 3. Splenomegaly: frequent bleeding during thrombotic thrombocytopenic purpura can cause splenomegaly. It is recommended that patients with thrombotic thrombocytopenic purpura actively cooperate with the doctor, strictly follow the doctor’s instructions to choose the appropriate treatment plan, and regular follow-up.