F230 is a new Class 1 chemical drug jointly developed by Beijing Contini Pharmaceutical Co., Ltd. for the treatment of pulmonary hypertension (Notification number: 2024LP01242, 2024LP01243). The in vitro activity and in vivo toxicology tests of F230, the lead compound for the treatment of PAH developed by Beijing Contini Pharmaceutical Co., LTD., showed that F230 had the same in vitro activity as the endothelin antagonist on the market. The pharmacodynamics of F230 in rats with nephrogenic hypertension induced by Sunitinib showed that F230 could reduce proteinuria and improve renal index.It is expected to bring higher treatment and survival benefits to the corresponding patients. According to the spirit of NMPA new drug approval, on the basis of the completion of preclinical studies of this drug, the safety, tolerability and pharmacokinetic characteristics of single administration and multiple administration of this drug in healthy volunteers should be investigated first, and the influence of food on the pharmacokinetic characteristics of F230 in humans should be investigated, so as to recommend a safe and effective administration regimen for phase II clinical trials.