Fashion industry has been rapidly increasing, along with promotion through advertisement and many other ways. Those advertisement usually presented in a picture or photo and its a new chance for photographer. Unlike other objects, such as landscape photography, capturing moving object like human got its own difficulties which makes it more challenging.
Certain knowledge, combine with experience, and talent are things you should have to break those challenge. Learning from basic will give you bigger perspective, basic knowledge combine with artistic and fresh ideas would make a big different. Basic knowledge could be gather from Photography Schools, or closer into it is Graphic Design Colleges.

Like any other field of interest, there always obstacle, but if you’re thinking those obstacle is just another challenge to beat, than success already in your hand. In fashion photography the key point is the object, which ended requirement of model, stylish and make-up artist, this might be quite hard for an amateur and became the biggest obstacle, especially if you’re not afford to hire them.
Here comes the challenge, but if you know how to handle it, eventually you could play some trick in here. Those expensive model, make up artist, and all those beautiful dresses wear by the model, could be minimize. If you have friends that could work together with you as a model, then tell her your condition, and if possible she could do her own make up and dresses, with a promise that you’ll capture a photo to remember.
In order to get good result, you got to be maximal. And fashion photographs are always fashion for product or commercial use only, but also emphasis on the concept and mood or strong expression. To get a photo or portrait of good fashion, getting to know each model characters is way more important. Its sort of making a chemistry between a model with the photographer.