Diet after radiofrequency ablation of supraventricular tachycardia must pay attention to the light diet, to avoid dry stools, in addition to pay attention to rest, avoid staying up late, quit smoking, alcohol. Diet after radiofrequency ablation of supraventricular tachycardia is mainly related to the puncture blood vessel, puncture vein, artery diet should be light, easy to digest, such as egg custard, millet porridge, yam, rice soup, egg soup, etc., especially you can drink more millet porridge, which is both good for digestion and nutrition. After supraventricular tachycardia radiofrequency ablation surgery, prohibit eating stimulating, high-calorie, high-sugar, high-cholesterol food, such as onion, ginger, garlic, chocolate, desserts, animal offal, cream, fat meat and so on. After radiofrequency ablation of supraventricular tachycardia, the diet should be light, easy to digest and rich in nutrients, and at the same time, the amount of food should be moderate, should not be too full, and should not go to bed immediately after the meal, and the specific dietary recommendations should be carried out in accordance with the doctor’s instructions. If there is any discomfort, it is recommended to go to the hospital for treatment in time.