Study on Bioequivalence of Pramipexole Dihydrochloride Sustained Release Tablets

Inclusion Criteria: * Subjects are fully aware of the purpose, nature, methods, and possible adverse effects of the test, volunteer as a subject, and sign the informed consent form before the start of any research program, and ensure that any program will be involved in the study; * Male and female subjects aged 18-45 years (including 18 and 45 years)； * Male body weight ≥50.0 kg, female body weight ≥45.0 kg;Body mass index \[BMI= weight (kg)/ height (m)2\] is within the range of 19.0\~26.0 kg/m2 (including critical value)； * According to the previous medical history, vital signs, comprehensive physical examination and required laboratory examination, the investigator determines that the patient is a healthy subject; * Fully understand the purpose of the test, the nature of the test, the research procedures and possible adverse reactions, voluntarily participate in the test and sign the informed consent (the process of obtaining the informed consent conforms to the GCP regulations); * The subject will be able to communicate well with the investigator, understand and comply with the requirements of this study, and be willing to be admitted to the phase I clinical research ward as required. Exclusion Criteria: * Have a history of allergy to this drug component or similar species;Had a history of allergy to two or more drugs, food, etc.; * Have a history of dysphagia or any gastrointestinal diseases that affect drug absorption; * Patients with any history of clinically serious diseases, including but not limited to diseases of digestive system, cardiovascular system, respiratory system, urinary system, musculoskeletal system, endocrine system, neuropsychiatric system, blood system, immune system and metabolic abnormalities, which are clinically significant as judged by the investigator; * Those who cannot tolerate venipuncture and have a history of acupuncture and blood sickness; * Those who have received surgery (except appendicitis) within 3 months before screening, or who plan to have surgery during the study, and those who have received surgery that will affect drug absorption, distribution, metabolism and excretion; * Screening those who had a history of drug abuse within the previous 6 months; * Used drugs within 3 months before screening; * Have participated in clinical trials of other drugs within 3 months before administration; * Screening for blood donation within the first 3 months, including ingredient blood or massive blood loss (≥200mL), who received blood transfusion or used blood products; * Have used any prescription drugs, non-prescription drugs, Chinese herbal medicine and vitamins within 2 weeks before administration; * Those who smoked more than 5 cigarettes per day in the first 3 months or could not stop using any tobacco products during the trial; * Those who drank more than 14 units of alcohol per week (1 unit of alcohol ≈360 mL beer or 45 mL spirits with a 40% alcohol content or 150 mL wine) in the first 3 months or who could not abstain from alcohol during the trial; * People who drank excessive amounts of tea, coffee and/or caffeine-rich beverages (more than 8 cups, 1 cup =250 mL) every day for 3 months before screening;Or within 48 hours before the test, eat any food containing alcohol or rich in xanthine compounds (such as chocolate) and drink (such as tea, coffee, cola, etc.), grapefruit juice, etc； * Lactose intolerant; * Those who have special requirements on diet and cannot accept a uniform diet; * The test of hepatitis b surface antigen, hepatitis c virus antibody, anti-human immunodeficiency virus antibody or anti-syphilis spirochete specific antibody has one or more clinical significance; * Women who have positive pregnancy test results and are lactating, pregnant or planning to have a recent pregnancy; * Those with positive alcohol test results or positive screening for drug abuse (morphine, methamphetamine, ketamine, dimethylene dioxymethamphetamine and tetrahydrocannabinic acid); * Other subjects deemed unsuitable by the investigator.