‘ a huge amount of stock product documents, information and cases, with useful information being overwhelmed. the information carrying channels are not uniform, the channels are complex and not easy to remember Delivery access dimension is single, and does not support multi-dimensional navigation by scenarios, characteristics, roles, skills, etc.. Information is mainly concentrated in delivery documents, and implicit knowledge such as personnel experience cases and abilities cannot be accessed. The above are the problems faced by traditional documents and communities. Based on Huawei’s practice, this topic starts from designing DEMO and completes practical exercises through status quo investigation, architecture implementation, content classification, topic aggregation, knowledge mapping and user operation to help you build a knowledge portal suitable for your own products.