The utility model provides a pickling machine for food processing, including the jar body of level setting and set up the support that is used for supporting tank body in jar body below, the one end of the jar body be provided with feed inlet and closing cap, the lateral wall is provided with the inlet, the jar side wall bilateral symmetry be provided with twice around jar the body a week a guide rail, the guide rail cooperatees with the telescopic link top that sets up at the first cylinder on support surface, the other end of the jar body be provided with air inlet and an air outlet, air inlet and an air outlet communicate with the draught fan through pipeline and the vacuum machine that sets up on the support surface respectively. Pickling machine for food processing adopt vacuum machine and draught fan to control the pressure of internal of jar to show jar temperature and humidity of internal portion in real time, can control the condition of pickling of food, improve the quality of product.