Plate washing machine for elisa plate and washing method of plate washing machine

The invention relates to a plate washing machine for an elisa plate. The plate washing machine comprises a fixing part; the cleaning part comprises an X-axis linear module and a first Z-axis linear module mounted on the X-axis linear module, a to-be-cleaned elisa plate is mounted on the first Z-axis linear module, the cleaning part further comprises a second Z-axis linear module, a cleaning needle row communicated with cleaning liquid is mounted on the second Z-axis linear module, and the cleaning needle row performs liquid injection cleaning on the elisa plate; the fixed seat is provided with a faller gill soaking tank for soaking the cleaning faller gill; the dewatering part comprises an overturning oscillation part and a waste liquid tank, and further comprises a wiping part, a liquid injection pump and a liquid discharge pump, and the overturning oscillation part comprises a fixed box for mounting an elisa plate and an overturning part which is in transmission connection with the fixed box and can operate