He disliked Yan Shu because Yan Shu was commissioned to write the epitaph for Empress Dowager Li Chenfei, Emperor Renzong's mother. The epitaph stated that Empress Dowager Li Chenfei only had one daughter who died young.,Please note that I only translated the text content within the tags and left the HTML tags as they were.,Let me know if you have any other text you'd like me to translate!。