The global burden of chronic kidney disease is increasing. In China, the number of dialysis patients is increasing rapidly. Hemodialysis is the most prevalent renal replacement therapy worldwide. Due to the intermittence of hemodialysis and the need for patients to go to the hospital frequently, experts and scholars have been committed to finding more suitable kidney replacement therapy for patients. Portable artificial kidney device is a promising method. This review aims to summarize the research progress of portable artificial kidney devices with mature technology and new artificial kidney devices under development.