Ophiocordyceps sinensis, a fungus revered in traditional Asian medicine, is critically endangered due to climate change and overharvesting. Artificial cultivation is thus essential to meet demand and promote conservation. This review systematically analyses the decline of wild O. sinensis and evaluates the two primary cultivation strategies: in vitro mycelial fermentation and in vivo inoculation. We find that in vitro fermentation, while scalable and standardized, yields a chemical profile distinct from that of wild fungi. In vivo inoculation can produce fruiting bodies morphologically and chemically closer to wild specimens but is hampered by technical challenges in host rearing and low infection rates. By dissecting these bottlenecks, this review provides a framework for the sustainable cultivation of O. sinensis, crucial for preserving both a cornerstone of traditional medicine and the ecological balance of its native habitats.

Chinese fir [Cunninghamia lanceolata (Lamb.) Hook.] is a fast-growing species widely utilized in construction, industrial raw materials. Owing to its broad application scope, research on Chinese fir is fragmented across multiple disciplines, making it difficult to grasp the overall research context and trends. Following the PRISMA guidelines, we retrieved articles related to Chinese fir published between 1942 and 2024 from Chinese databases (i.e., CNKI, Wanfang Data, and VIP Chinese Journal Database) and the Web of Science Core Collection (WOSCC). After removing duplicate and irrelevant records, a total of 7174 valid records were retained, including 5862 from Chinese databases and 1312 from WOSCC. The PRISMA-screened literature was imported into CiteSpace V.6.2.R4 for bibliometric analysis. Through keyword clustering, burst detection, and timeline mapping, we focused on analyzing the domestic resource distribution, research hotspots, and evolutionary trends of Chinese fir research. The results showed that research publications on Chinese fir have increased year by year, and international research started earlier and is more in-depth, while Chinese research covers a wider scope. Both follow two stages (germination and growth). Chinese research focuses on basic application areas such as seedling cultivation and plantation management; international research emphasizes ecological functions and biomass development. Global research exhibits convergence in the field of eco-environmental interactions; specifically, both domestic and international studies investigate the impacts of climate change (e.g., drought and global warming) and nitrogen deposition on the growth and functional evolution of Chinese fir. This study provides references for researchers, forestry policymakers, and planters.