There are no research results that show what foods tomatoes cannot be eaten with, but it is not recommended to eat a lot of food with milk and soy milk to avoid affecting protein digestion and causing gastrointestinal discomfort. Tomatoes are a commonly eaten vegetable and they are rich in vitamins and other nutrients that may have different effects on the human body. Tomatoes contain organic acids such as malic acid and citric acid, which can induce secretion of gastric juices and regulate gastrointestinal functions. The fruit acids and fiber in them can help digestion and relieve constipation. The vitamin C, lycopene and fruit acids contained in tomatoes can assist in the metabolism of cholesterol, and vitamin C has antioxidant properties, and its intake is also beneficial to the skin. The potassium and minerals contained in tomatoes can promote the balance of water and salt in the body. So consuming tomatoes can supplement the body’s needs of a variety of vitamins, minerals and other nutrients in moderation. Although tomatoes contain a lot of nutrients, it is not recommended to consume tomatoes on an empty stomach, nor is it recommended for patients with gastrointestinal diseases, which may lead to aggravation of gastrointestinal diseases. Lycopene contained in unripe tomatoes may have a toxic reaction with the body, producing nausea, vomiting and other toxic reactions.