The invention relates to the technical field of photoelectric transmission platforms, and discloses a cable TV photoelectric transmission platform convenient to install. The cable TV photoelectric transmission platform convenient to install comprises a machine frame; multiple uniformly distributed installation modules are installed on the machine frame; the installation module comprises an installation box; both two corresponding vertical side wall edges of the installation box are each fixedly connected to a connection plate; both the two connection plates are each provided with a connectionhole; an opening is formed at one side of the installation box; both the inner top and the inner bottom of the installation box are each fixedly connected to multiple corresponding insertion blocks; aslot is formed among the multiple insertion blocks; a functional module is glidingly connected to the inner wall of the slot; and a connection box is fixedly connected at one side of the installationbox away from the opening. According to the cable TV photoelectric transmission platform convenient to install, due to modular arrangement, the multiple functional modules can realize flexible expansion according to service requirements, and do not need to be installed on the machine frame again; and thus, convenience is provided for network construction and maintenance of users.