Many people assume that online business is easier to do than offline business, online business people do not need to rent or own a shop, low operational costs, very wide market reach and can even go abroad. However, behind the convenience, it turns out that online business also has many disadvantages, and if we only look at it briefly, it seems like a trivial problem, but if left alone, it will have an impact on the running of the business, for that before we start building an online business, it would be nice if we could know the disadvantages of online business.