[1]install termux from https://github.com/termux/termux-app

[2]enter termux

[3]install proot-distro with to execute command of

apt install proot-distro

##[4]install a distro with using proot-distro ##[5]login the distro ##[6]install a kind of conda such as miniconda and enter conda environment ##[7]create a conda virtual environment and activate it ###[8]install pytorch from binary

conda install pytorch torchvision torchaudio cpuonly -c pytorch

###[9]install pytorch from source ####[9.1]enable the option of android located in [setting>> developer options>> disable child process restrictiona] ####[9.2]