1. If you sweat a lot in summer, drink more light salt water to avoid heatstroke caused by excessive water loss in your body, and drink more water, remember to drink more, and never drink too much at a time. 2. In summer, with the loss of water in the body, potassium deficiency will also occur, so it is necessary to supplement potassium in time, such as soybeans, mung beans, broad beans, peas, spinach and kelp.