Abstract: In order to study the seed germination and seedling growth of Cyclobalanopsis gilva in different habitats, the annual growth rhythm of C. gilva in different habitats was continuously observed, and the logistic equation was used to fit the growth dynamic process of seedling height, and then the Logistic model was obtained to divide the growth period. The results showed that the germination time of the nursery field was May 27^th, more than a month earlier than that in the wild, and the seedling emergence rate was also higher than that in the wild. In the wild mountainous land, the emergence and preservation rate of C. gilva seedlings in the mother forest was the highest; The annual average seedling height of C. gilva seedlings in the field was 29.1 cm, which was much higher than the average seedling height of the wild mountain seedlings. In different habitats, the measured data curves of C. gilva seedling height were basically consistent with the fitting curves, and the growth curve was a typical "S" shape. The correlation coefficients of the 6 habitats were all above 0.95, and the regression was extremely significant. The growth process of seedling height can be accurately divided into early growth stage, fast growth stage and late growth stage. In the future management of C. gilva seedlings, it is recommended to increase water and fertilizer management 40-60 days after sowing, and cover the sun-shading nets at noon to create suitable conditions to improve the survival rate of later transplanting.