No, according to relevant public information, there is no age limit for in-service graduate students in Henan Party School. According to the "Master Admissions Guide of Henan University in 2022", Henan University has no requirement for the age of candidates applying for part-time master's degree. Postgraduate education is a kind of national education, which is generally carried out by ordinary universities with master's and doctoral degrees. Graduate students can also be called graduate students after graduation.