picu means pediatric intensive care unit. icu is more familiar with the meaning of intensive care unit, with the progress of icu medical development, the status of the intensive care unit is more important, and gradually appeared related to the branch phenomenon, and the NICU is mainly for neonatal intensive care. picu stands for children’s intensive care unit, mainly for the treatment of reversible multiple organ failure, various types of shock, need for ventilator support, as well as vital signs of unstable children; there are also some surgical children, especially postoperative suspected complications, there may be life-threatening children. The monitoring room is equipped with an invasive ventilator, high-channel oxygen therapy system, arterial pressure monitoring system, bedside continuous monitoring and patient care, which can detect abnormal vital signs of children as early as possible, and provide a guarantee for a speedy recovery.