When choosing a desk lamp for study, you can consider the following aspects:

1. Light source type: Energy-saving, long life, low heat generation, suitable for long-term use.

2. Brightness adjustment: Choose a desk lamp with a dimming function, which can adjust the brightness according to different learning needs and ambient light to protect your eyes.

3. Color Temperature: Lights with a color temperature between 3000K and 5000K are more suitable for studying. 3000K is a warmer color, suitable for relaxation, while 5000K is a cooler color, suitable for concentration.

4. Lighting Angle: The lamp head of the desk lamp can be adjusted to better illuminate the book or computer screen and avoid shadows.

5. Design and stability: Choose a desk lamp that is stable and won’t tip over. The design of the desk lamp should match your personal aesthetic and be appropriate for the learning environment.

6. Eye protection function: Some desk lamps have eye protection functions, such as no flicker, low blue light, etc., which can effectively reduce eye fatigue.

7. Portability: If you need to move around a lot, choose a light that is lightweight and easy to carry.

8. Price and brand: Choose the right brand and model according to your budget. Well-known brands are usually more guaranteed in quality and after-sales service.

Some desk lamps may have additional functions such as USB charging ports, clocks, alarm clocks, etc., which can be selected according to personal needs.

So choosing a study desk lamp that suits you can effectively improve your learning efficiency and protect your eye health.