The clinical practice of phlebotomy must be followed by all students of the Medical Laboratory Technology, even though the risk of phlebotomy complications is relatively small, in the other side the anxiety among students in practicing phlebotomy in the real patients in the hospital occure in the high level. The purpose of this study are to identify the values ​​of the TPB variables (attitudes, subjective norms and behavioral control) related to the readiness of TLM students to participate in clinical practice in the in the real patients and to determine the relationship between respondent characteristics and TPB variables. This is a descriptive correlational non-experimental research, the number of respondents 52 students, purposive data collection techniques. The results of the research on the attitude variable of the majority of respondents are in the very good category (83%), on the subjective norm the majority of respondents are in the very good category (62%) and on behavioral control it is known that respondents who are in the good category 56%, less good 31% and very good 13%. There is a relationship between student activities with subjective norm abilities and there is a relationship between students' favorite subjects and behavioral control