Abstract:This is a brief introduction to the history of Burma-Malaya Geoblock. Since the Miocene Epoch, the Geoblock has moved4 -5 northward and rotated in a clockwise direction, while Hekou and its adjacent areas on the other end of the axis shifted southward but in a little extent. The biological effect to the flora of Dulongjiang area caused by the movement of Burma-Malaya Geoblock can be included into the following aspects.