请根据以下内容回答下列各题 Dear Prof. Lee, The Academic Conference on traditional Chinese treatment acupuncture and moxibustion, which is spon- sored by Beijing College of Medicine will be held in Beijing, October 3rd, 2009. We would be very pleased to invite you to attend the conference. We all know that you are a very famous scholar in this field. The conference will be more significant if you can come. We will offer the accommodation for you. If you have any paper or topics on which you would like to give talks, please inform. us in advance so that we can prepare the final program. Please confirm your participation at your convenience. We are looking forward to your reply. Best Wishes. Your incerely, Wang Dong What' s the subject of the conference? It is about traditional Chinese treatment____________________