Protein array/chip technique is a significantly-advancing technology on molecule biology.There is wide latent application perspectives in function proteome study.The present developing printing protein microarray, molecular scanning technique and biosensor chip mass spectrometry will apply to the aspects to detection medicine targets, diagnosis diseases,identification proteins,and/or interaction between proteins, etc.Because analyses on these chips have many advantages such as quick detection, high efficiency,little sample consumed and low cost,they will become novel study tools in the field of life science and medicine.