The most important thing in learning interior design is to have a spirit of perseverance and hard work. It is best to find a qualified school to study interior design. The interior design school begins with the hand-drawing course, and after the hand-drawing course, it begins to learn the professional theoretical knowledge of the interior design school, including interior design drawings and drawing recognition, design principles, hand-drawing and rendering performance techniques, decoration structure, decoration materials and construction technology, decoration equipment and engineering examples, budget quotation and bidding. After the theoretical courses, interior design schools began to learn professional software courses, such as AutoCAD, 3dMAX, lightscape and so on.

V-RAY, Photoshop and so on. , is to use the computer to draw indoor and outdoor renderings.

In view of your present situation, I suggest you find a formal school with quality assurance, such as the interior design training center of the School of Mathematics of Sun Yat-sen University.

The interior design school meets your requirements. Its courses include four-month skills training course, eight-month interior design training course and distance education diploma course. In view of your present situation, I suggest you attend an eight-month interior design seminar in the interior design school. The teaching mode is half-day face-to-face teaching and half-day practical operation, which is mainly to cultivate students' practical operation ability and is highly targeted and practical.

I hope the above content can help you. You can communicate with the teachers of the Interior Design Training Center of the School of Mathematics and Science of Sun Yat-sen University first. Their contents about interior design schools are quite authoritative!

Search online for "Interior Design Training Center of School of Mathematics and Statistics, Sun Yat-sen University", and the first one is them.