Abstract: An automatic apparatus is provided for screening disease/cancer in vitro. The apparatus comprises a filling device; a gripping device at a side of the filling device; a carrying platform correspondingly set under the filling device and the gripping device; a containing device on the carrying platform; at least two receiving slots on the carrying platform; a placing device on the carrying platform; a shaking device on the carrying platform; and a detecting device on the carrying platform. Thus, the apparatus is provided for molecular biological researches, biochemical examinations, radioimmunoassay and drug developments with reduced human labor, saved operating time, avoided experimental errors and enhanced experimental accuracy and efficiency.