A fishing rod holder is disclosed. It comprises a fishing rod fixing portion, a fishing rod bracket extension portion, a base portion, a connecting pin and an adjusting screw. The fishing rod holder according to the present invention has many hollow column designs for connection. It is very extensible and can be integrated with other auxiliary equipment to provide more customized combination of fishermen. In addition, the components of the fishing rod holder are detachable and can be assembled and used. It is a design that is not available in many homogenous products.