The objective of the study is to assess the effect of food on the pharmacokinetics, and safety of Fuzuloparib Capsules in healthy subject.

Inclusion Criteria:

1. Healthy male and female subjects over 18 years;
2. Body weight ≥ 50.0 kg for men and ≥ 45.0 kg for women, and body mass index (BMI) of 19.0 to 26.0 kg /m2 (inclusive);
3. Participants should have no fertility plan from signing the informed consent until 6 months after the last dose, and take effective contraceptive measures.

Exclusion Criteria:

1. Subjects with evidence of disease or major surgery;
2. History of drug allergy;
3. Treatment with other investigational drug within 3 months, use of any prescription drugs, Chinese herbal supplements within 4 weeks, and/or need to use any over-the-counter (OTC), food supplements within 2 weeks before the first dose or during the trial;
4. Subjects refuse to stop drinking xanthine-rich beverages or foods at 48 hours before the first dose until the end of the study, and subjects refuse to stop any beverage or food containing grapefruit 7 days before the first dose;
5. Those who have heavy smokers, alcoholics or drug abuse
6. Lactating female subjects or fertile female subjects
7. Those with clinically significant abnormality of physical examination, vital signs and laboratory test during the screening period.