The preparation condition of stannous sulfate was improved, and the fruther hydrolysis and oxidation of stannous sulfate was eliminated during the process of preparation.

• 优化了硫酸亚锡的制备条件，克服了硫酸亚锡在制备过程中进一步水解、氧化反应，从而提高了产品的纯度和得率。