Through scientific assessment and measurement, we can choose the right aids for people with disabilities – i.e. customized and personalized aids. Mainly from the following to adapt: 1, considering the disabled person’s own condition, residual function and family environment, etc. to adapt; 2, considering different types of disabilities may be adapted to different aids; 3, considering the same type of disability, according to their own characteristics, may be adapted to different aids; 4, even the same aids, according to different height, weight, disability severity, will be adapted to Different types and sizes. For example, prosthetic limbs, orthopedic devices, wheelchairs, self-help devices, etc.; 5, to improve the ability to take care of oneself, mobility, and promote the concept of integration into the family and society, the corresponding assistive devices need to be fitted; 6, at the right time, the disabled are equipped with assistive devices suitable for their physical and mental needs; 7, when fitting, the psychological needs of the guardians of the disabled, the psychological needs of the disabled themselves, the disabled’s own functions, the disabled’s environment, etc. should be taken into account. When adapting, we should consider the psychological needs of the guardians of the disabled, the psychological needs of the disabled themselves, the disabled’s own functions, the disabled’s environment and other factors; 8.