1. institutional users: For institutional users such as universities and scientific research institutions, HowNet usually provides some free resources, but at the same time it also provides corresponding paid services according to the scale and needs of the institutions. Institutional users can purchase the institutional periodical database of HowNet, and the price is usually higher, but they can enjoy more resources and services.
2. Individual users: Individual users can access some free periodical resources through HowNet's personal account, but most periodical resources need to be paid. Individual users can choose to buy HowNet's personal periodical database, the price is relatively low, but they still have to pay a certain fee.
3. Subscription system: HowNet also provides the charging mode of subscription system, and users can choose to subscribe to different types of periodical databases according to their own needs. Subscription system is relatively expensive, but it can enjoy more comprehensive and timely periodical resources.
It should be noted that the charging standards of HowNet are different according to the types of periodicals, disciplines and users' needs. The specific charging standard can be consulted by HowNet official website or contacted by HowNet customer service. In addition, HowNet also provides some preferential policies, such as student certification and group purchase. Users can choose the corresponding preferential methods according to their own identities and needs.