There is no harm in eating vegetable salad in moderation over a long period of time, but eating vegetable salad in large quantities over a long period of time may lead to abdominal pain, diarrhea and other symptoms of indigestion, and it may also lead to nutritional imbalance and other problems. Vegetable salad is rich in nutrients, generally from a variety of vegetables mixed with salad dressing modulation of a health food, its raw materials include chamomile, lettuce, tomatoes, cucumbers and so on. Take tomatoes as an example, 100 grams of tomatoes can provide 16 calories, containing 2.6 grams of carbohydrates, 0.2 grams of fat, 0.7 grams of protein, Vitamin A92 micrograms, Vitamin C 24 milligrams, calcium 9.7 milligrams. Moderate consumption of tomatoes can supplement the above nutrients. Salad contains low calories, high fiber and vitamin and mineral content, which is conducive to controlling the total calorie intake, while supplementing other nutrients. However, due to its high fiber content, it is not advisable to consume excessive amounts of vegetable salad to avoid indigestion symptoms such as nausea, vomiting, abdominal pain and bloating. And because of its low calorie, protein, fat and carbohydrate content is generally insufficient, long-term consumption of large quantities can occupy the stomach volume, but also affect the intake of other nutrients, resulting in nutritional imbalance, which in turn causes malnutrition and other diseases. Therefore, it is recommended to eat vegetable salad in moderation for a long period of time, but not excessive consumption, and at the same time with meat, staple food, eggs and milk, etc., to maintain a balanced nutrition.