为了解钙基生物矿物中重金属的含量及污染情况，采集了16种涵盖蛋壳、贝壳、畜骨3种主要类别的样品，采用电感耦合等离子体发射光谱法（inductively coupled plasma optical emission spectrometry, ICP-OES）测定7种重（类）金属（As、Cd、Pb、Cr、Cu、Zn、Mn）的含量，并采用单因子、内梅罗综合污染指数法、Hakanson潜在生态风险指数法和健康风险综合评价其重金属污染程度与风险。结果表明：所有钙基生物矿物中As、Cd均未检出，蛋壳类、贝壳类中Pb未检出，其余均检测出5种重金属（Pb、Cr、Cu、Zn、Mn），且重金属含量均未超标。不同类别不同种之间重金属含量有所差异，其中Cu、Mn、Zn含量最高分别为14.85、21.47、201.99 mg/kg，分别积累在蛋壳、贝壳、畜骨中。风险评价结果表明，钙基生物矿物中4种重金属（Pb、Cr、Cu、Zn）的单因子污染指数均小于1.0，综合污染指数均小于0.7，所有样品处于未污染水平。3类钙基生物矿物中潜在生态风险排序依次为畜骨类>蛋壳类>贝壳类。未成年人和成年人两种暴露途径的非致癌总风险指数均小于安全阈值1.0，表明钙基生物矿物中5种重金属基本不会对人体造成健康危害。总体而言，钙基生物矿物可作为农业生产过程中的潜在肥料及土壤调理剂来源，但应控制其使用量，防止重金属累积污染。

To investigate the contents and pollution of heavy metals in calcium-containing biological minerals, 16 samples were collected from three primary categories: eggshells, shells, and animal bones. Inductively coupled plasma optical emission spectrometry(ICP-OES) was utilized to analyze the contents of seven metalloids and heavy metals (As, Cd, Pb, Cr, Cu, Zn, and Mn). The pollution degree and risk of heavy metals were evaluated using single-factor, Nemerow comprehensive pollution index method, Hakanson potential ecological risk index method, and health risk comprehensive assessment. The results show that As and Cd are not detected in all calcium-containing biological minerals, meanwhile Pb is not detected in both eggshells and shells. Five heavy metals (Pb, Cr, Cu, Zn, and Mn) are detected in the remaining samples, with their contents remaining below standard. Differences in heavy metal contents are observed among different categories and species. Cu, Mn, and Zn have the highest contents of 14.85, 21.47, and 201.99 mg/kg, respectively accumulated in eggshells, shells, and animal bones. The risk assessment results show that the single-factor pollution index of four heavy metals (Pb, Cr, Cu, Zn) in calcium-containing biological minerals is less than 1.0 and the comprehensive pollution index is less than 0.7. All samples are indicated as unpolluted. The potential ecological risk among three types of calcium-containing biological minerals is in descending order: animal bones > eggshells > shells. The non-carcinogenic total risk index of two exposure pathways for minors and adults is less than the safety threshold of 1.0. This finding indicates that five heavy metals in calcium-containing biological minerals are unlikely to threaten human health. Overall, calcium-containing biological minerals can be used as potential sources of fertilizers and soil conditioners in agricultural production. However, their usage should be controlled to prevent heavy metal accumulation and pollution.