There is no such thing as not being able to eat iodized salt for dry syndrome. Patients with dry syndrome can consume iodized salt in moderation and have a balanced diet. At the same time, it is also necessary to actively treat the primary disease to control and delay the tissue and organ damage caused by the immune response. 1. Dry syndrome is a diffuse connective tissue disease characterized by invasion of exocrine glands such as lacrimal and salivary glands, abnormal proliferation of B-lymphocytes and lymphatic infiltration of tissues. Clinically, it mainly manifests as dry conjunctivitis and oral dryness. 2. Patients with dry syndrome can consume iodized salt in moderation, but they need to have a balanced diet, maintain sufficient water intake every day, and avoid spicy and stimulating foods such as overheating and overcooling. 3. In view of the risk of systemic damage of dry syndrome, regular medication should also be used under doctor’s guidance to control and delay tissue and organ damage caused by immune response. If the diagnosis of dry syndrome is confirmed or accompanied by other symptoms, one should go to the hospital in time to have the cause clarified and then give targeted treatment.