The invention discloses an adjustable curtain fixing seat, which is convenient to adjust. The adjustable curtain fixing seat comprises a fixed plate fixedly arranged on a wall through a bolt and a tying belt. Hanging buckles are arranged at the two ends of the tying belt respectively. Sliding chutes are formed in the fixed plate. A sliding piece is arranged in the sliding chutes through a bolt sleeve in a sliding way. The bolt sleeve is sleeved on the bolt. Hooks are symmetrically arranged on the two sides of the lower end of the sliding piece. The adjustable curtain fixing seat has the advantages that a curtain can be conveniently retracted and fixedly arranged on the fixing seat, the height can be conveniently adjusted, the fixing seat is novel in structure and convenient to use, and the using requirements of a user can be met.