A homogenized and integrated device with a coaxial line and double-high pressure cylinder, includes a long oil cylinder, two main connecting sleeves, two high pressure cylindrical homogenized main bodies, two auxiliary connecting sleeves and two short oil cylinders. The two main connecting sleeves, two high pressure cylindrical homogenized main bodies, two auxiliary connecting sleeves and two short oil cylinders are respectively and symmetrically arranged at two ends of the long oil cylinder and are assembled with the long oil cylinder along a same axial line. Each high pressure cylindrical homogenized main body is integrally connected with the long oil cylinder by virtue of one of the main connecting sleeves. Each high pressure cylindrical homogenized main body is integrally connected with the corresponding short oil cylinder by virtue of one of the auxiliary connecting sleeves.

A homogenizer, for homogenizing a tissue sample collected from a living body, comprising: a main body; and a storage cooler, comprising a container holder for holding a sample container, configured to cool a tissue sample in the sample container held by the container holder, the storage cooler being detachably installed to the main body, wherein the main body has a blender for crushing the tissue sample in the sample container held in the storage cooler is disclosed.