The invention discloses a multifunctional solar yard lamp. The multifunctional solar yard lamp comprises a solar photovoltaic plate, a strut and lighting lamps. The bottom face of the solar photovoltaic plate is connected with the top face of the strut. The two sides of the strut are connected with the lighting lamps through a connecting rod. An alarm lamp is arranged at the upper portion of the strut. A plurality of alarm bell horns are arranged in the middle position of the strut, and a protection valve is arranged below the alarm bell horns. An alarm button is arranged below the protective valve, and a plurality of charging sockets are formed in the two sides of the alarm button. A control circuit board and a storage battery are arranged in the strut. The control circuit board is connected with the storage battery, an alarm button, the alarm bell horns, charging sockets, the solar photovoltaic plate, the lighting lamps and the alarm lamp. The multifunctional solar yard lamp has the beneficial effects that the local environment can be effectively monitored, information can be effectively recorded, rapid alarming and good monitoring are convenient, production and installation usage are convenient, and transportation is convenient. The multifunctional solar yard lamp is easy to operate, convenient to master, simple in overall lamp structure, low in cost and convenient to popularize.