Hematological diseases are primarily caused by the hematopoietic system and mainly involve the hematopoietic system. Common blood diseases include leukemia, lymphoma, anemia, hemophilia, etc. Blood diseases pose a great threat to the physical health and safety of patients. With the continuous advancement of medical technology, the diagnosis and treatment methods of blood diseases are also constantly developing and improving. In order to enhance the diagnostic ability of clinical doctors for blood diseases and improve the treatment level of such diseases, the Chengdu High tech Medical Association successfully held the fourth series of seminars on precision treatment of blood diseases and the new progress conference on the diagnosis and treatment of primary immune thrombocytopenia online on November 19, 2024. This conference invited experts in hematology and related fields within the province to give lectures and discuss issues related to accurate diagnosis of blood diseases.