The invention belongs to a packing machine which comprises a vacuum feeding and drying device and an automatic vacuum packing device; wherein, the vacuum feeding and drying device mainly consists of a material absorbing machine, a charging basket, a material absorbing gun, an exhaust opening, an exhaust duct, a vacuum pipe, a vacuum tank, a material absorbing pipe, an air filter, a material position sensor and a drier; the automatic vacuum packing device includes a gusseted device and a package boxlike integer type device, wherein, the gusseted device is positioned at the two sides of a horizontal sealing module and a sealing block, and the package boxlike integer type device is arranged at the lower end of the sealing block. The packing machine can complete the whole tea packing process for once in a state of unmanned operation, can meet the requirements of sealing and keeping out of the sun, the air and the moisture, and can form the shape of tea packing according to the needs, so that the package of tea is exquisite, beautiful, safe and sanitary, the packing speed is high, and the packing quality is good.