Aluminum alloy folding doors have certain applicability and advantages in actual use, but there are also some precautions to consider.

Advantages include:

1. Flexibility: Aluminum folding doors can be flexibly opened and closed according to needs, saving space and suitable for places with limited space or large openings.

2. Aesthetics: The appearance of the folding door is stylish and simple, beautiful and generous, which matches the modern interior decoration style and can improve the overall visual effect of the interior.

3. Ventilation: When opened, it can provide good ventilation effect, increase indoor air circulation, which is conducive to indoor air freshness.

4. Lighting: The large area of glass design of the folding door helps to increase indoor lighting and make the room brighter.

However, the following issues should also be noted when using aluminum folding doors:

1. Maintenance: The structure of the folding door is complex, and regular maintenance is required, especially the cleaning and lubrication of the track part to ensure the normal operation of the folding door. 

2. Heat insulation: Compared with solid doors, the thermal insulation performance of aluminum alloy folding doors may be poor, resulting in difficulty in maintaining a stable temperature indoors, and the thermal insulation effect may be poor in winter. 

3. Sealing: The sealing of folding doors may not be as good as traditional doors and Windows, which may affect the indoor sound insulation and dust insulation effect.

In summary, aluminum folding doors have advantages in beautiful appearance and flexible application, but they need to pay attention to heat insulation, sealing and maintenance. If you are more interested in opening and closing flexibility, aesthetics and ventilation, aluminum folding doors are a good choice. It is recommended to consider individual needs and use environment before purchasing.