Some elderly people sometimes inexplicably lose their sight in one eye suddenly, and then get well again after a minute or a few minutes, and some of them even repeat it several times, and some of them also have numbness of half of the body, sudden inactivity of limbs and other phenomena, or even hemiplegia, a few days or a few months after the occurrence of the above situation. The above symptoms are also known as monocular transient blackout, which refers to the sudden and transient loss of vision in one eye. So how to have a good diet in general? (1) 6 grams of black fungus, soaked in water, added to dishes or steamed. It can lower blood fat, anti-thrombosis and anti-platelet aggregation. (2) celery root 5, 10 red dates, water decoction, eat dates and drink soup, can play a role in reducing blood cholesterol. (3) Eat fresh hawthorn or use hawthorn to soak boiled water, add appropriate amount of honey and drink it as tea after cooling. It can dilate blood vessels and has the effect of lowering blood pressure and promoting cholesterol excretion. If stroke is complicated with diabetes, honey should not be added. (4) Raw garlic or onion 10 to 15 grams, can lower blood lipids, and has enhanced fibrin activity and anti-vascular sclerosis effect. (5) Dietary vinegar 5 to 10 ml after meals for stroke patients, has the effect of softening blood vessels. (6) banana flower drink: banana flower 5 grams, decoction tea. It can prevent stroke and cerebrovascular accident.