Whether the penis can grow again is mainly related to its age and other factors, if before puberty, the penis can grow again; if puberty development is completed, it can not grow again. 1. For adolescents and prepubescent minors, who are in the stage of physical growth and development, the penis will be in the process of growth and development during this period, especially during puberty, the penis can grow again. 2. After puberty, the penis has developed and matured, especially the corpus cavernosum and the white membrane of the penis have been stereotyped, and will not grow further with age. There are some special cases, such as prepuce, hidden penis can affect the growth and development of genitals. The specific situation is recommended to go to the regular hospital, improve the auxiliary examination, clarify the condition, and follow the doctor’s instructions.