For a study, researchers sought to identify the risk factors for Carbapenem-resistant Pseudomonas aeruginosa (CRPA) contamination in children, specifically antimicrobials and invasive techniques. At the Children’s Hospital of Chongqing Medical University, investigators conducted a review study from January 2016 through December 2020, including a sample of kids diagnosed with PA illness. Patients were randomly assigned to either a carbapenem-free PA group or a CRPA group and then matched through inclination score matching. To evaluate the gambling variables of CRPA, both univariate and multivariate analyses were carried out. 1,000 25 patients were remembered for the concentrate; however, 172 kids were examined. A few elements were related to CRPA disease as per univariate investigation (P<0.05), like earlier treatment for certain antimicrobials and intrusive strategies. Nonetheless, just earlier openness to carbapenems (chances proportion [OR]: 0.102; certainty span [CI]: 0.033-0.312; P<0.001) and bronchoscopy (OR: 0.147; CI: 0.032-0.678; P=0.014) during time in danger, past obtrusive treatment somewhat recently (OR: 0.353; CI: 0.159-0.780; P=0.013), and past utilization of β-lactams/β-lactamase inhibitors inside the most recent 90 days (OR: 0.327; CI: 0.121-0.884; P=0.03) were viewed as free gamble factors by multivariate examination. People who had previously been exposed to carbapenems and bronchoscopy constituted a population at an increased risk of spreading CRPA contamination. The use of invasive treatment might affect the progression of CRPA; nevertheless, they were not going to concentrate on this possibility. In addition, they should consider the constraints placed on the therapeutic application of carbapenems.