Eating pork loin and black fungus soup together can tonify the kidney. Practice: 1. Cut pork tenderloin into pieces, remove white tendons and soak in water for 30 minutes; Pick it up and cut it into large pieces, evenly spread appropriate amount of salt, marinate for 10 minute, and then wash the salt; 2. Soak the fungus in warm water, remove the pedicle and wash it for later use; 3. Wash the red dates, pat them flat and remove the core; 4. Wash lean meat, cut into large pieces and soak in water; 5. Boil the clear water, add all the ingredients, cook on high fire for 20 minutes, turn to low heat for one and a half hours, and season with salt. Efficacy: Drink soup with dregs, tonify kidney and waist, tonify middle energizer, nourish liver and refresh.