Television control method, handheld device, television set and television control system

The invention discloses a television control method, a handheld device, a television set and a television control system. According to the television control method, a connection relation between the handheld device and a to-be-controlled television set is established in advance; and the handheld device determines to-be-controlled application software and then a control program corresponding to the application software is installed, thereby realizing controlling on the application software. According to the television control method provided by the invention, information interaction between the handheld device and the television set can be realized; the handheld device obtains application information of the application software installed in the television set and the corresponding control program is installed, thereby realizing controlling on the television set. Meanwhile, the handheld device also can obtain application information of application software in a server and a corresponding program can also be installed; and after the television set installs the corresponding application software by the server, controlling on the television set is realized, thereby improving the controlling performance of the handheld device on the television set.