Zhejiang university graduate students can't graduate to study for a doctorate after only one year. According to the "Zhejiang University Doctoral Admissions Guide in 2020", it takes five years for doctoral students in Zhejiang University to directly study for a doctorate; The academic system of master's degree and doctor's degree is 5 years; The academic system of ordinary doctoral students is 3-4 years. Therefore, Zhejiang University graduate students can't graduate for a doctor's degree after only one year.