Lemonade can be drunk by the general population, which can supplement the body’s need for vitamin C, various minerals, but excessive stomach acid or peptic ulcer, diabetic people are not recommended to drink lemonade. Lemon water has a high nutritional value, moderate consumption can not only quench the thirst, as an important source of vitamins and minerals, can be supplemented with nutrients for the body, the body health benefits. However, daily consumption needs to be moderate, so as not to cause damage to health, and the following people should pay attention to not drink or drink less lemonade: 1. Excessive stomach acid or peptic ulcer: lemon contains citric acid and malic acid, soaked in water more acidic, easily lead to increased secretion of stomach acid aggravate the condition. 2. diabetic patients: lemon contains a certain amount of sugar, diabetic patients drink a lot of lemon water, may lead to an increase in sugar in the body, thus causing the condition to worsen. Drink lemon water in moderation, do not drink too much at once, so as not to increase the burden on the gastrointestinal tract.