The invention belongs to automatic tea production equipment, and in particular relates to a multifunctional green tea production line which comprises a tea enzyme deactivation machine, a damping machine, a carding machine, a shaping machine, a drying machine, a secondary drying machine and a winnowing machine sequentially connected by virtue of a conveying mechanism. According to the invention, the automatic production equipment is integrated into an automatic tea production system; tea is processed aiming at different processing paths of different kinds of teas in a processing technique extraction system, therefore, the tea production efficiency is greatly increased; furthermore, the green tea production line is multifunctional; the use cost is greatly reduced.