我科在对日本产 HITACHI 70 60 Automatic Analyzer两年的使用过程中 ,不断摸索和探讨 ,积累了一些故障分析及排除方法的经验 ,给广大的日立 -70 60全自动生化分析仪用户提供一些可借鉴的经验 ,现介绍如下 :1　样本加样针堵塞1 .1　原因分析　加样针在吸样过程中 ,由于病人血清 In the course of two years of using the HITACHI 70 60 Automatic Analyzer from Japan, our department has continuously explored and explored, accumulated some experience in failure analysis and elimination methods, and provided the majority of Hitachi-70 60 automatic biochemical analyzer users with some Lessons learned are presented as follows: 1 Sample injection needle plugging 1.1.1 Analysis of the loading needle in the aspirating process due to patient’s serum