Donating books can be divided into online and offline. First of all, offline can directly contact the previous school donation or through the community. Many communities have old recycling bins and special classification of old books. Just put the sorted old books in. If you don't have a recycling station nearby, you can do it online. You can download a free fish with a charity sale entrance on it, and you can make an appointment for a courier company to pick it up for free. You can also search for old books recycling directly in Alipay, and there will be old books recycling. You only need to make an appointment for door-to-door recycling with one click, and you can get ant energy for free while donating books. In addition, there are some online platforms, such as rookie wrapping and 92 recycling, which are also free and do not need to pay the postage themselves.