Working platform system for bioactive substance extraction instrument

The utility model provides a working platform system for an automatic instrument for extracting a bioactive substance by a magnetic bar method. The working platform system comprises a loading panel, wherein the loading panel is provided with at least one group of sample processing areas; each group of sample processing areas comprises two heating work areas and a non-heating work area; the two heating work areas are fixed on the loading panel; and the non-heating work area is arranged between the two heating work areas. The working platform system further improves the automation of a nucleic acid extraction instrument, is applicable to various culture plates, and can meet the requirement on individual or high-flux nucleic acid extraction.