After obtaining the vocational qualification certificate of this occupation or related occupation, it is continuously engaged in this occupation for more than 2 years. (two) to obtain this occupation or the relevant vocational qualification certificate for 1 years, by the professional senior formal training of the number of hours required, and obtain a complete (junction) industry certificate. (III) to senior workers for the training objectives of vocational school school-based professional (Professional) five years of the eighth semester students, three years of the fourth semester students and the professional (Professional) four years of preliminary technician in the fourth semester students. (four) to obtain the professional (Professional) or related professional college degree or above, more than 2 years of work. (five) with the professional (Professional) junior professional and technical qualifications. (six) has obtained the relevant professional vocational qualification certificate, after the formal training of the provisions of the standard hours, and achieved the completion of (junction) industry certificate. (VII) belong to senior workers as the starting point of the identification of the profession (type of work), a secondary vocational and technical schools (including technical secondary school) this major or relevant and professional after graduation certificate, engaged in this occupation or related occupations full four years, or with the professional or related professional assistant level professional and technical qualification certificate.