Pineal calcification is common in adults and is more likely to occur with increasing age. About 75% of normal adults show pineal calcification on CT scan. Its diameter usually ranges from 3 to 5 mm, but may sometimes be more extensive. The possibility of a tumor in the pineal region should be considered when pineal calcifications are large, displaced, and present in a pediatric patient. Generally, calcification is normal with age, but in severe cases, attention should be paid to prompt medical attention to avoid delay. Dietary precautions for pineal gland calcification displacement: 1. Do not eat too much salty and spicy food, do not eat overheated, too cold, expired and spoiled food. 2. Eat some anti-cancer foods and alkaline foods with high alkaline content as appropriate for those who are old and weak or have certain disease genes, and keep a good mental state. 3. Pay attention to the supplement of vitamin A, vitamin C and vitamin E. Dietary fiber, especially water-soluble dietary fiber, can dilute carcinogens in the intestine and promote their excretion. Fresh vegetables and fruits are rich in vitamins and dietary fiber. 4, selenium can clear oxygen free radicals, but also can strengthen the immune function. Animal food contains selenium: more fish than meat, more meat than poultry and eggs, and vegetables containing more selenium are garlic, asparagus, mushrooms, onions, tomatoes, peas, lettuce, pumpkin, etc. 5, to improve the immune function of food, fungal food polysaccharides have the role of improving human immune function, such as mushroom polysaccharides, mushroom polysaccharides, etc.. In addition, dates, wolfberry, etc. also have the effect of improving immune function.