What you want to ask is what should a cat do when its anus relaxes and it poops hard? You can have a local anal massage. According to the mushroom pet doctor's inquiry, you can try to give the cat a local anal massage every day to promote anal contraction and exercise anal sphincter, and it will recover in about 2-3 weeks. Press your finger on the anus and gently rub it clockwise, 3 to 4 times a day, 5- 10 minutes each time.