Patients with nephrotic syndrome should pay attention to maintenance because nephrotic syndrome is a chronic disease. Even if the condition is well controlled, it can still recur or worsen under certain circumstances. First and foremost, patients should avoid various inflammations, including infections of the upper respiratory tract, enteritis, skin infections, ulcers, etc. Patients should avoid getting cold, avoid contact with people who have colds, and wear masks in crowded places. Avoid eating raw, unhygienic food to prevent diarrhea and enteritis. Patients should also limit their salt intake, and it is recommended that their daily salt intake be controlled between 3 and 6 grams.