The invention discloses a medical detection basal plate, a medical detection chip and a medical detection system. The medical detection basal plate includes a substrate, and a detection unit located on the substrate, wherein the detection unit comprises two sets of test electrodes, the two sets of test electrodes are spaced apart by insulated dike-shaped parts, and the two sets of test electrodesare respectively disposed in concave parts defined by the dike-shaped parts. Therefore, the two sets of test electrodes are spaced apart by the insulated dike-shaped parts, a transverse interference electric field produced between the two sets of test electrodes is effectively avoided, thereby effectively improving the detection accuracy and sensitivity of the medical test basal plate, and a reliable basis is provided for diagnosis for diseases.