In order to further improve the diagnosis and treatment technology of lymphoma, promote the new theory, new technology and new method of lymphoma clinical research, and strengthen the cooperation and exchanges between hospitals at all levels. After research, the "Western Lymphoma Diagnosis and Treatment Exchange Meeting Phase I" sponsored by Chengdu High-tech Medical Association was successfully carried out online on March 6, 2024. This meeting hired experts from inside and outside the province of hematology and related fields to discuss and exchange clinical difficult cases, which is closer to the clinic, has a strong advancement, practicality and controllability, and is worthy of the majority of grassroots doctors to learn. More than 50 people attended online.