Because it does not meet the European and American medical safety and health standards.

The reason is that some sedatives are illegally added to the motion sickness medicine, so the effect is good, but after taking it, there will be hereditary diseases.

Taobao now has strict control over drugs and food, and it needs the manufacturer's certificate, and then there are various other certificates, such as business licenses, and then some drug certificates can be put on the shelves. If he is not online, he will drop it directly every one or two days, because drugs can't be put on the shelves casually.