The three highs mainly refer to hypertension, hyperglycemia and hyperlipidemia. The three highs are mainly caused by metabolic syndrome, which is related to the patient’s bad habits and long-term mental stress, and factors like increasing age, genetics and gender are also involved. The most important thing that patients need to pay attention to is a low-salt, low-fat diet, with a sodium intake of less than 6g per day, less or no food with high fat content, and fruit should also be very careful. It is recommended to consume about 250g of fruits per day, mainly fruits rich in potassium, such as bananas, apples, oranges, oranges, etc. Other types of fruits can also be consumed appropriately, and there are no special restrictions on the types of fruits.