Mulberry (Morus alba L.) is a woody, deciduous and economically important tree, with moderate tolerance to various environmental stresses (drought, water-logging, salinity, heavy metals etc.). Mulberry leaf has been used to rear the silkworm Bombyx mori L., process tea and as fodder for livestock. The mulberry fruit is good for human consumption due to its highly nutritious and medicinal properties. In this review, the role of mulberry on remediation of the heavy metals, organic compounds polluted soil and dirty atmosphere has been discussed along with recent developments in mulberry research. The outline of the ecological functions of mulberry was also drawn and discussed for its developed root system, rapid growth rate, resistant to some special pressures.