I can't directly evaluate whether it is reliable, because it needs to consider many factors, such as teaching quality, curriculum, teaching staff and so on.

However, we can consider the following aspects:

1. Teaching quality: As a well-known educational institution, Beida Jade Bird has been widely recognized for its teaching quality. However, for the course of UI design, we need to consider whether its teaching quality is comparable to that of other similar institutions and whether it can meet the needs of students.

2. Curriculum: Whether the UI design curriculum of Beida Jade Bird is reasonable, whether it can cover all aspects of UI design and whether it can improve students' practical operation ability needs to be considered.

3. Faculty: Faculty is an important indicator to measure the teaching quality of an institution. Whether the UI design course of Beida Jade Bird has excellent teaching staff and rich practical experience is also one of the factors to be considered.

On the whole, if the UI design course of Beida Jade Bird meets the above requirements, it can be considered more reliable. However, many factors need to be considered in the specific situation. It is suggested to do more investigation and comparison, and then choose to find a suitable institution.