Lack of sunlight: the leaves of Goldilocks and jades without sunlight can not synthesize nutrients normally, and the leaves will turn yellow. At this time, it should be moved to a place with sufficient light to support. Soil deterioration: if the soil is not changed for a long time, its soil will deteriorate, making it appear yellow leaves. At this time, we need to replace it with fresh and fertile soil. Over watering: too frequent watering can cause yellow leaves. At this time, it is necessary to move it to the ventilation place to dry the soil, and then stop water for a period of time, and wait for it to recover.