本文报告74例癌肿确诊病人,8例疑似癌肿病人,101例非癌病人及健康人。应用胎盘提取物作皮内试验的结果。表明本试验具有早期诊断癌肿的价值。其阳性率为95%,早期癌肿阳性率达98.6%,不合理的阳性率5%。对不合理的阴性反应和阳性反应略加讨论,提出了16—MFP试验具有纠正不合理的阳性反应的价值。本试验可作为对于癌肿普查的方法之一。 This article reports 74 confirmed cases of cancer, 8 suspected cancer patients, 101 non-cancer patients and healthy people. Placental extracts were used for intradermal test results. This shows that this test has the value of early diagnosis of cancer. The positive rate was 95%, the early cancer positive rate was 98.6%, and the irrational positive rate was 5%. The irrational negative reactions and positive reactions were briefly discussed, and the 16-MFP test was proposed to have the value of correcting unreasonable positive reactions. This test can be used as one of the methods for cancer screening.