"Books contain stone gods" can be understood as the simple and rich charm and charm contained in calligraphy works, which originated from ancient stone carvings. "Indoor orchid fragrance" means that indoor orchids emit elegant fragrance. Orchid is one of the elegant flowers, with elegant and fresh fragrance, which is regarded as the representative of indoor freshness. Therefore, the couplet "The book is full of stones and the room is fragrant with cymbidium" is very good, which vividly depicts the characteristics and beauty of calligraphy and living environment.