The traditional system of Tibetan medicine has been practised for over many centuries and is still popular for healing from different diseases. Tibetian medicine is essentially the combination of four tantras:
The first tantra is named as "Root Tantra" and here we can find the brief explanation of all possible diseases. It is compared with the seed.
The second tantra, named as "Explanatory Tantra" is composed of 31 chapters. It has an illustration of .
The application of colour to the thangkacanvas involved two main steps first, filling in the areas of different base colours, and second, the subsequent shading and outlining of those areas.
To these steps there corresponded the two essentially different types of paint in the Tibetan palette
Mineral pigments (rdo tshon and sa tshon) and
The organic dyes or lakes (tshos)
The mineral pigments had to be mixed with a binder before being applied as paints. .