Conclusions Metolachlor can inhibit humoral immune function and nonspecific immune function of mice, so it is considered that metolachlor has immunotoxicity effect.

• 结论异丙甲草胺可抑制小鼠体液免疫和非特异性免疫功能，对细胞免疫功能无明显影响，因此认为异丙甲草胺具有免疫毒性作用。