Bloodstream Infection Pathogen Targeted Next-generation Sequencing (tNGS) is an accurate detection method that combines the advantages of ultra-high multiplex target amplification and high-throughput sequencing technology. By extracting and enriching nucleic acids from blood, using the sequencing platform to sequence the pathogen's genes, and comparing and analyzing sequence information against a database, this kit can identify 140+ types of blood infection pathogens such as DNA/RNA viruses, bacteria, fungi, as well as drug-resistant genes/mutation sites, assisting in precise clinical diagnosis.