1, supplement foods rich in vitamin C, such as fresh vegetables, fruits, red dates, kiwis, oranges, etc. Secondly, there are many low-salt mustard tuber on the market now, which will not cause the problem of excessive salt intake, but also because mustard tuber contains a lot of potassium and cellulose, and even is called "natural".

2. Before getting on the bus 1 hour or so, fold the surface of fresh orange peel outward and inward, then aim at two nostrils and squeeze with two fingers, and fragrant oil mist will be sprayed out from the peel. Inhale 10 times or more, and inhale at any time on the way. Slice the fresh ginger on the road, put it in a small plastic bag and carry it with you. When you take a bus, always put it under your nose.

3. Drink a cup of warm boiled water with a few drops of vinegar 5- 10 minutes before taking the bus, and you won't get carsick on the way. Olives and lemons: At the beginning of carsickness, you produce too much saliva, which drips into your stomach and produces a disgusting feeling. Tannic acid produced by olives and lemons will make your mouth thirsty. Eating some olives helps to eliminate nausea.