April 20-29th, Prof. Jiang was invited to Japan and visited Tokyo Institute of Technology(Prof. Tomiki Ikada), Tokyo university(Prof .Takeshi Serizawa), Institute of Molecular Science(Prof. Donglin Jiang),Osaka University(Prof. Akira Harada), Kyoto University(Prof. Mituuo Sawamoto) and gave academic reports on macromolecule self-assembly and had deep discussion with Harada's group about host-guest inclusion complexation and supramolecular chemistry of cyclodextrin and its development tendency.