Tomato and egg soup is a kind of soup that people often drink. Drinking at night will not make you fat, because tomatoes contain a lot of vitamin C, which is nutritious and helpful for digestion. Eggs are nutritious and contain a lot of protein. These two foods are low in calories and will not get fat. But also help to lose weight. Just control foods rich in fat and sugar. Keep a regular diet and eat breakfast on time. If you exercise actively, you won't get fat.