Which point is associated with malnutrition and indigestion in children?

The point associated with malnutrition and indigestion in children is Si Feng. This point is located at the palmar side of the hand, specifically at the distal interphalangeal joints of the index, middle, ring, and little fingers. Si Feng translates to "Four Seams," reflecting its anatomical location, and it is often used in pediatric treatments.

In traditional Chinese medicine, Si Feng is known to promote digestion and enhance the functions of the spleen and stomach, which are crucial in processing food and nutrients. Given that malnutrition and indigestion are closely related to the spleen and stomach's ability to function properly, Si Feng is particularly effective for addressing these issues in children. Additionally, applying treatment at this point can help alleviate symptoms of poor digestion, enhancing nutrient absorption and overall growth in children.

The other points listed do not specifically target malnutrition and indigestion in children. Shi Xuan is typically used for resuscitation and similar acute conditions, Zi Gong Xue is associated more with gynecological issues, and Yao Tong Xue is generally focused on pain relief in the lower back. Thus, Si Feng is the most relevant choice for the given question.