从抛体在动水中运动的力学平衡方程式出发，获得了相应的抛石落距计算公式．通过室内资料验证分析表明，与实测结果符合得较好，说明所获公式的结构是合理的，定量描绘是能令人满意的，公式具有较好的实用价值． Based on the mechanical balance equation of the projectile moving in the water, the corresponding formulas for the throwing distance are obtained. The verification of indoor data shows that it is in good agreement with the measured data, indicating that the structure of the formula obtained is reasonable, the quantitative description is satisfactory and the formula has good practical value.