An assemble type multifunctional habitat platform for animals comprises a support and a habitat plate, the support is installed on the wall, two or more supporting seats which are adjustable in height and perpendicular to the wall face are installed on the support, the habitat plate which is arranged horizontally is connected with the supporting seats in a sliding mode, the habitat plate comprises a habitat plate body of which the side, far away from the wall face, can turn upwards and fold and a width extension plate on the side near the wall face, the upper surface of the width extension plate is flush with the upper surface of the habitat plate body, gaps are formed between the lower side of the width extension plate and the supporting seats, width extension supporting blocks of which the size is matched with that of the width extension plate are fixed in the gaps, the two sides of the habitat plate body are connected with length extension plates respectively, and when the length extension plate slide outwards, the length extension plates form the habitat plate lengthening areas. According to the assemble type multifunctional habitat platform for the animals, the height, the length and the width can be adjusted according to animal species, ages, body sizes and climbing and jumping abilities, rest comfort of the animals is improved, the physique is enhanced, diseases and death are reduced, and breeding is promoted.