Lighting device installation method and lighting

摘要

A lighting device installation method includes the following steps. Firstly, a holder (2) including a first stopping structure (21) and a first engaging structure (22) is fixed on an installation surface (1). Then, a lighting device (3) including a second stopping structure (31) and a third stopping structure (32) is provided. The second stopping structure (31) and the third stopping structure (32) are collaboratively defined as a second engaging structure (33). Then, the second engaging structure (33) of the lighting device (3) is stopped by the first stopping structure (21) of the holder (2), so that the lighting device (3) is supported by the lower portion of the holder (2). Then, electrical connection between the lighting device (3) and a power source is established. Afterwards, the second engaging structure (33) of the lighting device (3) is engaged with the first engaging structure (22) of the holder (2), so that the lighting device (3) is supported by the upper portion of the holder (2).