Patients with systemic lupus erythematosus must pay attention to healthy diet. 1, celery and fig contain psoralen; Mushrooms and smoked foods containing diamines; L- sword beans in alfalfa seeds and pods can induce lupus, rash and photosensitivity, and should be avoided. 2. Some allergic foods, such as pineapple, banana, day lily, seafood, etc., are easy to cause rashes and even aggravate the condition, especially those with rashes should avoid eating them. 3. Because lupus erythematosus is a disease caused by the reaction between autoantigen and antibody, it is necessary to avoid some foods or drugs that improve the body's immunity, such as mushrooms and ginseng. 4, irritating foods such as pepper, ginger, raw onion, raw garlic, mustard, coffee and so on. Do not eat or eat less. 5, eat less or not eat fried food and horse meat, donkey meat, dog meat, venison, a lot of mutton, leeks and other warm and easy-to-get-angry foods. 6. Other patients should also pay attention to their own condition. Patients with renal dysfunction, edema and proteinuria should pay attention to a low-salt and low-fat diet; Patients with diabetes or secondary hyperglycemia should limit their intake of staple foods and sweets.