First of all, pay attention to food hygiene. The temperature is high in summer, and the leftovers are easily contaminated by bacteria. It is best not to eat them. If eaten, it must also be treated at high temperature. Raw fruits and vegetables should be washed and peeled. When cooking cold salad, the dish must be washed clean, and it is best to blanch it with boiling water; Knives and boards for cutting cooked food should be separated from those for cutting raw meat and lettuce; Put some garlic paste and vinegar in the cold salad, which can not only increase appetite, help digestion, but also sterilize and detoxify and prevent intestinal infectious diseases. When making cold drinks, use cold boiled water instead of raw water. In summer, it is best for the elderly not to eat the food on the street stalls to avoid food poisoning.

In summer, when the temperature is high, people's nerves are often in a state of tension, and the function of some secretory glands is also affected, so digestive ability is often weakened and loss of appetite often occurs. Therefore, we should eat more light and digestible foods, such as bean products, eggs, milk, chicken, fish, fresh vegetables, melons and fruits, and eat less greasy food. In summer, people lose a lot of water and salt, so they should drink more water and some light salt water in moderation. But don't drink too much water, so as not to increase the burden on the heart and digestive system. Just drink a little water.

If you often drink mung bean soup and red bean soup, you can not only prevent heatstroke and clear heat, but also detoxify and appetize. Drinking health tea often has the effect of relieving summer heat and refreshing. Common health-care teas are: salt tea: salt 1g, tea 5g, boiled water 500ml, brewed and cold-drunk, which has the functions of dispelling summer-heat, rehydrating and quenching thirst; Chrysanthemum tea: 5 grams of white chrysanthemum, brewed with 500 ml of boiling water, cooled and drunk, can clear away heat and detoxify. In addition, use 500 grams of wax gourd, cut into pieces, cook 3 bowls of soup, add less salt to taste, 1 3 times a day; Take 250 grams of fresh lotus root, appropriate amount of sugar and * * * boiled water, daily 1 dose. If you drink it regularly, it can prevent heatstroke for the elderly who are weak or sick.