Because the precision of the main motion system of mulberry leaves plucking machine is high, its source of error is analyzed and the key factors of influence error are found for assuring assemble precision of the main motion system in the case of reducing machining difficulty of interrelated parts.

According to the biological characteristic of Ilex kudingcha and the principle of picking tea ,applying ages, picking extent and picking method three factors and three levels layout ,the ways of achieving the output of Ilex kudingcha tea during earlier period and promoting Ilex kudingcha to shape tree was explored.