There is no fastest solution for one and a half year old baby’s dry stool. One and a half year old baby dry stool may be physiological reasons, intestinal flora disorders, constipation, etc., can be dealt with through general treatment, medication and other ways. 1. Physiological reasons: one and a half year old baby due to the adjustment of dietary structure, increase complementary foods or drink too little water, may lead to transient dry stools, generally do not need special treatment, parents should pay attention to let the baby drink more water, eat more fresh vegetables and fruits, can alleviate the dryness of stools. 2. Intestinal flora disorders: If a one-and-a-half year old baby is held by an adult for a long time or less activity, it may lead to gastrointestinal function weakening, intestinal peristalsis slows down, resulting in intestinal flora disorders and dry stools. Under the guidance of the doctor can be through the lactobacillus, bacillus subtilis bacillus granules and other drugs, regulating the baby intestinal flora disorders, improve the dry stool. 3. Constipation: Constipation is an important cause of dry stools in babies, in addition to dry stools, accompanied by difficulty in defecation and decreased stool frequency. Lactulose oral solution can be taken orally to soften the stool, which is conducive to the baby’s defecation. If the constipation is particularly serious, you need to open the laxative treatment, the specific use of medication should follow the doctor’s instructions. A one-and-a-half year old baby dry stools to rule out physiological causes, parents should take the baby to the hospital in time to improve the examination to clarify the cause of the disease, the doctor will be based on the results of the examination to give the correct treatment. The above medication should be used under the guidance of a doctor.