Guarding the palace refers to geckos, most of which live in the wild, and their life span is closely related to their living environment. The life span of the palace guard is 5 to 10 years, but the life span of different species is also different, except that the average life span of most of them is between 5 to 10 years. The keeper's tongue is very long, almost as long as his body, which enables him to catch prey quickly, such as insects. There is a sucker-like structure on his toes, which enables him to move freely on the vertical plane and even hang upside down from the ceiling. The breeder is Nocturnal Animals, who hides in dark corners or crevices during the day and comes out for food at night. It is a beneficial insect in nature and can help control the number of insects. In traditional Chinese medicine, it is a beneficial insect in nature.