Provided is a micro-chip for diagnosis, including a unit process part located apart from a rotation center, which includes: a target substance capturing unit having a capture passage and a capturing means filling a capture passage; a sample storing unit connected to capture passage and giving an inner space in which a sample is stored; a washing buffer chamber connected to the capture passage and giving an inner space in which a washing buffer is stored; an elution buffer chamber connected to the capture passage and giving an inner space in which an elution buffer is stored; a reaction solution chamber giving a space in which a reaction solution required for a PCR process is stored; a discharge passage connected to the target substance capturing unit and the reaction solution chamber; a wasted solution chamber connected to the discharge passage; and a target substance chamber connected to the discharge passage.