Based on the existing relevant studies, this paper established an evaluation index system from both beneficial and unfavorable factors affecting the health of cultivated land soil in Fengxin County. Nemerow comprehensive pollution index was used to evaluate the environmental quality of the irrigation water and soil heavy metals, minimum factor method was used to evaluate the beneficial trace elements, comprehensive evaluation of paddy soil health was carried out by using the equal weight accumulation method combined with the results of three single indicators. The results showed that: 1) the quality of irrigation water was generally good, 95.59% of irrigation water was clean. 99.31% of paddy soil were in graded 1 of health metal levels, means heavy metal pollution seldom existed. The value of beneficial trace elements was in the levels of moderate-lower, with 73.40% of paddy soil was ranged between 0.2 to 0.4 in score, and mainly distributed in east plain and townships in west mountainous areas. 2) The overall health status of paddy soil in Fengxin County is good, 74.67% was in grade 2, and health level is higher in the middle and lower in the east and west.