The utility model provides a little environmental monitoring system of forestry, include: little environment monitoring sensor group includes soil parameters monitor sensor group, atmospheric parameter monitor sensor group, illumination parameter monitor sensor group and plant parameter monitor sensor group, and data acquisition and processing apparatus, the input with little environmental monitoring station's output is connected, data acquisition and processing apparatus's output and cloud server connect. Soil parameters, atmospheric parameter, illumination parameter and plant parameter in the full aspect ground monitoring forestry microenvironment provide comprehensive, real -time and reliable data for the forestry work personnel.