Newborn babies’ constant whining and not crying may be a normal phenomenon, which is related to factors such as hunger, wetting and poor environment; or it may be an abnormal condition, such as calcium or vitamin D deficiency. 1. Normal phenomenon: Due to the influence of the individual differences of newborn babies, the above symptoms may appear due to the interference of factors such as too high or too low ambient temperature, hunger or wet urine, etc. Parents need to find out the causes in time and eliminate the triggering factors as soon as possible. Parents need to find out the causes and eliminate the triggering factors as soon as possible. 2. Calcium or vitamin D deficiency: Because parents do not regularly test calcium or vitamin D for their newborns, resulting in a prolonged lack of calcium or vitamin D in the body, which triggers nervous system disorders in the newborns and manifests the above symptoms. Parents are advised to conduct timely laboratory tests and follow the doctor’s instructions to give symptomatic supplements to promote the recovery of the above symptoms. Parents are advised to strengthen the care of their newborns and consult the doctor in time if any abnormal phenomenon occurs.