Lupus erythematosus diet needs to pay attention to balanced meals, avoid spicy stimulation, greasy and photosensitive food. Lupus erythematosus is an autoimmune disease, which can involve multiple organs throughout the body. The diet should be balanced on the basis of ensuring calories, reasonably combining staple food, fresh vegetables and fruits, meat, eggs and milk. Avoid spicy and stimulating, greasy food, because ultraviolet rays are easy to induce or aggravate the disease, also need to eat less or do not eat food that may cause light allergy, such as celery, lettuce, mango, pineapple and so on. In addition, patients with lupus erythematosus should pay attention to sun protection, exercise moderately, pay attention to rest, and maintain a good mood. It is recommended that patients with lupus erythematosus should go to the hospital in time, receive standardized treatment under the doctor’s guidance, and follow the doctor’s instructions for regular checkups.