The main ingredients of Tongshen Fukang Capsule are Smilax Poria, Cogongrass root, Sophora japonica, etc. It has the functions of clearing heat and detoxifying, diuresis and dampness, stopping bleeding and benefiting the kidneys. It can be used to treat pyelonephritis, acute nephritis edema, acute exacerbation of chronic nephritis and other diseases. It plays a certain role in regulating kidney function, enhancing kidney immunity, promoting the balance of kidney yin and yang, and eliminating edema, albumin and hematuria.