In order to ensure the quality of catches, keeping fresh is one of the important functions of fishing boats. The preservation methods on board generally include ice storage, cold sea water preservation, salt storage, micro-freezing, freezing, etc.

The fishing boat equipment shall have reliable structural performance, durability and convenient maintenance. The main engine has high power and relative speed. In addition to general marine equipment, fishing equipment, fresh-keeping and processing equipment, fishing aid and navigation equipment should also be equipped. The fishing cabin should have good thermal insulation facilities.