Hello...hard stools or constipation can be treated with conservative dietary adjustments...fiber rich food helps in preventing constipation as it doesn’t get digested, plays an important role in your digestion...If you lack enough fiber in your diet, your stool can become stagnate, dry and hard. Increasing your fiber intake will help promote soft and bulky stool. Foods that are fiber-rich include beans, fruits, whole grains, beans and vegetables....in adequate fluid content in your diet can make stools hard and get impacted... Drink plenty of water,coconut water,fruit juice etc...Regular physical activity can stimulate your digestive system, promoting more frequent bowel movements...so exercise atleast 2 hours a day...Consult neatest physician or surgeon they will do the needful.