The selection of music fountain water pump needs to consider the following aspects:

1. Fountain height and flow requirements: Select a suitable water pump based on the height and flow requirements of the fountain.

2. Water quality requirements: If it is a fountain used in public places, it is necessary to choose a water pump that meets national standards to ensure water quality safety.

3. Durability and Silence: Choosing a durable and low-noise water pump can avoid frequent replacement and noise issues.

4. Economy: It is necessary to consider the price and operating cost of the water pump and choose a pump with higher cost-effectiveness.

5. Brand Reputation: Choosing a well-known brand of water pump can ensure product quality and after-sales service.

In short, choosing a music fountain water pump requires comprehensive consideration of the above aspects, and ultimately choosing a suitable water pump.