The invention discloses a steel strip tinning technique. The steel strip tinning technique comprises a degreasing stage, an electroplating stage, a soft melting stage and a passivating stage. The steel strip tinning technique has the advantages and beneficial effects that by improving the steel strip tinning technique, the performance of a tinned steel strip can be more stable, both the strength and the ductility of the tinned steel strip are improved, the overall tinning efficiency is improved, the practicability is high, and the operability is high; the whole technique is simple and easy to implement and achieve, the product quality improving effect is remarkable, and the rate of return on improvement and transformation investment is high.