Within the diagnostics of lymphoma the indication for cytodiagnosis and the coice of gaining material and its preparation (punction and exstirpation of lymph nodes with making smears in a squeezing manner to effect simulated tissue pattern) are the basis of an appropriate and effective work of the cytologist. The good diagnostic efficiency of the cytodiagnosis of lymph nodes is in no proportion to the totally insufficient application of those methods by physicians of various medical disciplines in the hospitals and outpatient departments. The lack of an adequate teaching of students and postgraduates is a main reason for the described situation. In order that each physician may have the possibility to apply the cytodiagnosis of lymph nodes within his diagnostic programms, some special references are given for the gaining and preparation of lymph node material.