The invention discloses a recycle production line and a recycle technology of PET (Polyethylene Terephthalate) bottles. The recycle production line comprises a first feeding device, a label removing device, a second feeding device, a manual sorting platform, a crusher, a first washing cage, a cleaning and separating device, a high-strength friction cleaning device, a hot-water cleaning device, a first dehydrator, a second washing cage, a second dehydrator, a rinsing device, a third dehydrator and a packer; the cleaning and separating device, the hot-water cleaning device and the rinsing device separately comprise a water tank, stirring cleaners and a mesh screen; each mesh screen tank is formed by sequentially connecting a plurality of arc-shaped mesh screen tank units with upward openings in series along the horizontal direction; a stirring cleaner is arranged above each arc-shaped mesh screen tank unit; each stirring cleaner comprises a rotary shaft and a stirring plate arranged on the rotary shaft; and the rotary shaft of each stirring cleaner is connected with a stirring cleaning driving mechanism. By adopting the production line, the cleaning of fragments is good in effect, high in speed and high in production efficiency.