From June 28th to 29th, Professor Huang Wenzhang from the Department of Mathematics, University of Alabama at Huntsville, USA, paid a visit to Jiangnan University and gave a academic report entitled on the related issues of power system , and introduced the basic knowledge of equations of reaction diffusion and the latest research results of Problem on Minimum Wave speed of Traveling waves for a Lotka-Volterra Competion Model . The present teachers and graduate students held a heated discussion on relevant mathematical problems with Professor Huang.