The invention discloses a method for refining high-silicon low-oxygen spring steel. The method comprises the following procedures: converter smelting; LF refining; and VD vacuum refining. In the procedure of converter smelting, steel reinforced aluminum is added for precipitation deoxidation during tapping of a converter, and the addition amount of the steel reinforced aluminum is 0.5-1.5 kg/t; and CaO-Al2O3 pre-melted synthetic slag is added to a ladle, and the addition amount of the CaO-Al2O3 pre-melted synthetic slag is 8-10 kg/t. In the procedure of LF refining, a multifunctional slag modifier is added in the early stage of LF refining, and the addition amount of the multifunctional slag modifier is 3-5 kg/t; silicon carbide is added a slag surface for diffusion deoxidation, and the addition amount of the silicon carbide is 4-6 kg/t; and the binary alkalinity R2 of refining slag is controlled to be 3-5, and the content of FeO in the refining slag is no more than 0.5wt%. In the procedure of VD vacuum refining, soft argon blowing is carried out for stirring after the completion of vacuumization, and the flow of soft-blowing argon is 10 to 60 NL/min. The steel produced by using the method has a small number of inclusions with small sizes, so the steel is effectively improved in fatigue life. The fatigue life of railway spring fasteners made of the steel can reach 5 million times or more, and the fatigue life of automobile stabilizer bars made of the steel can reach 200,000 times or more.