LPS group receiving 8 mg/kg LPS injection in tail vein, LPS+anisodamine group given 8 mg/kg LPS+10 mg/kg anisodamine injection in the same method as above, and normal control group getting equal volume of normal saline.

• LPS组自尾静脉注射LPS 8mg kg ,LPS +山莨菪碱组注射LPS8mg kg +山莨菪碱 10mg kg ,正常对照组注射等量生理盐水。