It can realize local release of drugs at the application site of the device, with the advantages of low dosage and significant efficacy. BIOSURF provides professional overall solutions for drug-eluting coatings, enabling customized design of drug-loading systems for various drugs, carriers and multiple drug release modes. The drug types cover anticoagulants, antibiotics, antibacterial agents, antiproliferative drugs, anti-inflammatory drugs, etc., which can achieve sustained drug release, burst release and programmed release, while ensuring the safety of drug delivery.