Succulents can drop leaves for a variety of reasons, but some common causes include overwatering, underwatering, pests, disease, or environmental stress. Here are some steps you can take to solve the problem:

1. Check your watering habits: Overwatering or underwatering are common causes of leaf drop in succulents. Make sure you are watering your plant appropriately by checking the soil moisture level before watering. Wait until the top inch of soil is dry before watering again.

2. Check for pests: Pests like spider mites, mealybugs, and scale can cause succulent leaves to drop. Inspect your plant regularly and treat any pests with an appropriate insecticide or soap solution.

3. Check for disease: Diseases like root rot or fungal infections can cause succulent leaves to drop. If you suspect disease, remove any affected leaves or stems and treat the plant with an appropriate fungicide.

4. Check the environment: Environmental stressors like extreme temperature fluctuations, poor air circulation, or lack of light can cause succulent leaves to drop. Make sure your plant is placed in a location with appropriate light levels and good air circulation.

5. Repot your plant: If your succulent is root-bound or if the soil is compacted, it may not be able to absorb water properly, leading to leaf drop. Repot your plant in fresh, well-draining soil and a slightly larger pot.

6. Allow time for recovery: Succulent leaves may drop as a natural response to stress, but new growth should emerge over time as the plant recovers. Be patient and continue to care for your succulent appropriately.

In summary, Succulent leaves may drop for a variety of reasons, but common causes include overwatering, underwatering, pests, disease, or environmental stress. Check your watering habits, inspect for pests or disease, check the environment, repot your plant, and allow time for recovery. By taking appropriate steps to address the issue, you can help your succulent regain its health and beauty.