天花粉为常用中药,具有清热生津、消肿排脓的功效。最近笔者发现有将大戟科植物木薯、旋花科植物番薯的块根加工后伪充天花粉药用,应注意区别。现将天花粉及其伪品木薯、番薯的性状与显微鉴别如下:1　正品天花粉本品为葫芦科植物Trichosanthes kirilowii Maxim或双边栝楼Tricho TCS is a commonly used traditional Chinese medicine, which has the effect of clearing away heat and producing fluid and reducing swelling. Recently, the author discovered that the roots of the cassava and convolvulaceae sweet potato plants of the Euphorbiaceae family were processed and pseudo-filled with trichosanthes. The traits and microscopic identification of trichosanthin and its pseudotypes, cassava and sweet potato, are as follows: 1 Genuine trichosanthin This product is Cucurbitaceae Trichosanthes kirilowii Maxim or Bilateral Tricho