This is an open-label, randomised, single-dose, cross-over phase I study to evaluate the effect of food on the pharmacokinetic profile of BPI-7711 in Chinese healthy male subjects.

Inclusion Criteria:

• Male, aged from 18 to 55 years.
• BMI from 18.5 to 28.0 kg/m2
• Medical history, vital signs, physical examination and lab tests are normal or abnormal without clinical significance.

Exclusion Criteria:

• Subjects with clinical significant diseases
• Subjects with allergic disease history
• Subjects with gastrointestinal disease history that can affect study drug absorption
• Subjects with drug abuse history