Objective: Through providing health education on transcatheter therapy for congenital heart diseases to children or family members,including therapeutic procedures and results,we ensure the coordination of children and thus cut down the incidence of complications.Methods: Children or family members were investigated for health education by nursing staff through either face-to-face teaching and written guidance or planned and flexible education,including admission education,pre-operation education,introduction of therapeutic procedure and anesthesia.Transcatheter therapy,which could help improve heart function and exercise tolerance,relief symptoms,correct the anomaly,can attain both diagnostic and therapeutic purposes.At the same time,we emphasis that this therapy is characterized by small incision and high success rate and helps taking a load off children and the familys mind.We introduce the operation briefly and give other pre-operation education,including explaining the meaning of laboratory tests,giving the child an Ⅳ,skin preparation,guidance to urination and anticoagulation therapy after the operation.After the operation,we require those children who received general anesthesia should keep horizontal without pillows for 6 hours,they could have food 2 hours after returning to baseline levels of lucidity and starting from liquid diet.Pulse of dorsalis pedis artery should be marked and compared to the other side which was not punctured during the operation.Hemolysis often occurred within 24 hours after the operation,and the change of color of urine helps diagnose hemolysis,especially when it turns red or become darker.Neurological complications such as headache,paralysis are also worth heeding.Discharge education consists of maintaining of emotional stability,allaying concerns,being positive,improving exercise tolerance,non-competitive rehabilitation training,keeping regular hours and preventing infection,monitoring PT and APTT.Conclusions: Health education is a significant nursing strategy for transcatheter therapy for congenital heart diseases in children.