A crutch includes a grip, a rod connected to the grip, a control unit, a lighting unit, a lighting switch, an alarm unit, an alarm switch, and a battery pack. The lighting unit is electrically connected to the control unit, the lighting switch is electrically connected to the control unit, the alarm unit is electrically connected to the control unit, and has a buzzer, the alarm switch is electrically connected to the control unit, and the battery pack It is installed on the handle and provides power required by the control unit, the lighting unit and the alarm unit. When the lighting switch is activated, the lighting unit can be controlled to switch between a light-emitting state and an extinguished state. When the alarm switch is activated, the buzzer can be controlled to emit a warning sound, which can achieve the purpose of user safety protection.一種拐杖，包含一握柄、一連接於該握柄的杖桿、一控制單元、一照明單元、一照明開關、一警報單元、一警報開關及一電池組。該照明單元電連接於該控制單元，該照明開關電連接於該控制單元，該警報單元電連接於該控制單元，並具有一蜂鳴器，該警報開關電連接於該控制單元，該電池組安裝於該握柄，且提供該控制單元、該照明單元與該警報單元所需的電力。當啟動該照明開關時，可控制該照明單元在一發光狀態與一熄滅狀態之間轉換，啟動該警報開關時，可控制該蜂鳴器發出警示聲響，可達到使用者安全防護之目的。
