The water content of melons and vegetables is above 90%. All melons and vegetables have the function of lowering blood pressure and protecting blood vessels.

2. Eat more cold vegetables

Eating some cool vegetables is conducive to promoting fluid production and quenching thirst, relieving summer heat, clearing away heat and purging fire, expelling toxin and relaxing bowels. Cucumber vegetables, except pumpkin, are warm, and others, such as bitter gourd, loofah, cucumber, cauliflower, watermelon, wax gourd, tomato, celery and lettuce, are cool vegetables.

Step 3 eat more "sterilized" vegetables

Onion and garlic vegetables are rich in broad-spectrum fungicides, which can kill and inhibit a variety of cocci, bacilli, fungi and viruses. Among them, the most prominent role is garlic, which is best eaten raw.