First, seaweed
Seaweed contains a variety of vitamins and minerals, and it is particularly rich in iodine, so if you often eat seaweed, it not only can help you prevent the dryness and slow growth of the hair caused by lack of iodine, but also can reduce the accumulation of fat in the body. In addition, it can also prevent hypertension and coronary heart disease. 

Second, dried bean curd
Dried bean curd contains a variety of nutrients, including protein, fat and carbohydrates. and it is especially rich in calcium. It is measured that every 100 grams of dried bean curd contains 336 kilocalories and 731 milligrams of calcium, but the content of fat is less than 16 grams. So it will not make you fat even if you eat too much.

Third, dried beef
Dried beef is rich in protein, and it also contains some iron, zinc, selenium and various kinds of vitamin B group, which can nourish the spleen and stomach, enrich the blood, strengthen the muscles and bones, and so on.

Fourth, peanut
Nuts contain a large number of linoleic acid, which can promote the blood flow in the brain. They also contain plenty of protein and vegetable oil. People who always work in front of the computer for a long time are more likely to suffer from cardiovascular disease, while often eat nuts such as peanut, walnut and almond can greatly reduce the risk of this kind disease. However, nuts contain a high content of fat, so it is suggested not to eat too much each time. Otherwise, it may easily lead to obesity.

Fifth, preserved plum
Preserved plum can relieve the cough, eliminate the phlegm, as well as help produce saliva and slake thirst. It is rich in organic acids, which can promote the secretion of digestive juice, so as to help digestion. As a result, it is better to eat preserved plum between or after the meals, rather than eat when you are hungry. In addition, preserved plum can also make your breath fresh, so it is an indispensable snack for the office workers.

Sixth, dark chocolate
In all the chocolates, dark chocolate contains the least amount of sugar and fat. When it is changed into glucose and enter into the blood, it will slowly release of the energy in the body. As a result, when you feel hungry, eating a piece of chocolate is more effective than eating biscuits or cakes.