Abstract: Some embodiments of the present disclosure provide a plant lamp. The plant lamp may include one or more light-emitting units and a lamp holder. Each of the one or more light-emitting units may include a light-emitting side and a non-light-emitting side oppositely disposed. The one or more light-emitting units may be mounted on the lamp holder. The plant lamp may further include one or more heat dissipation units located on the non-light-emitting side of at least one of the one or more light-emitting units, connected to the at least one light-emitting unit, and configured for heat dissipation of the at least one light-emitting unit.