There is no such thing as “why can’t Hashimoto’s thyroiditis eat pasta”, patients with Hashimoto’s thyroiditis can eat pasta appropriately. There are no special dietary contraindications when Hashimoto’s thyroiditis is not combined with hypothyroidism, and it is enough to keep the diet nutritious, balanced, and comprehensive; however, patients with Hashimoto’s thyroiditis combined with hypothyroidism are advised to avoid consuming large quantities of goitre-causing foods for a long period of time, such as cabbage, kale, and tapioca. Therefore, Hashimoto’s thyroiditis can eat pasta, which is rich in carbohydrates that can help provide calories, but it should be eaten in moderation to avoid indigestion and other discomforts. Patients diagnosed with Hashimoto’s thyroiditis should actively cooperate with their doctors.