after the death of wong in 1925, mok was left destitute, fortunately dang sai-king (鄧世瓊), a better known female student of wong, organized and paid for wong's funeral arrangements. dang and lam sai-wing (林世榮) later help mok and wong's surviving sons to move to hong kong in 1936, where mok opened a dit da clinic (黃飛鴻授妻莫桂蘭精醫跌打) and also reopened the traditional medicine shop po chi lam there. from 1944 to 1969, she served as an assistant instructor to wong's student dang fong and taught hung gar to their students at the wong fei-hung national art society (黃飛鴻國術館) located on gloucester road in hong kong's wan chai area. she would teach at the wong fei-hung physical fitness institute (黃飛鴻健身學院) until it closed in 1980.