Customer-oriented knowledge-sending was investigated.  The knowledge required for customers was analyzed and summed up, including introduction to the company, process operation, business capability and customer satisfaction.  The concept of customer-oriented knowledge-sending is also given. Proposed is a model for customer-oriented knowledge-sending that is consist of five layers, namely, the layer of customer, communication media, analysis/push, services assembling and knowledge resource.  A practical case was analyzed to illustrate the practical significance of the model.