Conjunctival xerosis is a dryness of the conjunctiva that occurs primarily due to lesions in the conjunctival tissue itself and has a variety of causes. Under normal conditions, the lacrimal glands and conjunctival cuvettes secrete tears that keep the conjunctiva moist on a regular basis, but once these moisturizing functions are disrupted, conjunctival dryness occurs. Conjunctival dryness can be divided into epithelial conjunctival dryness and substantive conjunctival dryness. Cod liver oil drops are used clinically, along with antibiotic solutions and ointments, to prevent and treat secondary infections, corneal ulcers and corneal softening. Patients with conjunctival dryness have folds close to both sides of the cornea and the outer part of the conjunctiva due to dryness, and keratinized epithelium accumulates, forming white spots of varying sizes and shapes resembling foam. The patient should go to the ophthalmology department of a regular hospital for a timely examination to determine the specific treatment measures under the personal diagnosis of an experienced physician, as well as to perform routine blood tests, IOP tests, corneal examinations, conjunctival examinations, etc., and to carry out targeted treatment. Patients have folds on both sides of the cornea and the outer conjunctiva due to dryness, and keratinized epithelium builds up, forming white spots of varying sizes and shapes resembling foam. Petechiae on the conjunctiva: Petechiae on the conjunctiva are one of the clinical manifestations of sepsis. The clinical onset of sepsis is rapid, and the rash is in the form of petechiae, urticaria, pustular rash, and scarlet fever-like rash with petechiae on the conjunctiva. Keratoconjunctival dryness: Keratoconjunctival dryness, commonly known as “dry eye”, is an inflammatory reaction in which the conjunctival cornea cannot be moistened. This disease may be due to a lack of water or mucus in the tear fluid. Eat foods that contain vitamin A such as spinach, carrots, chrysanthemum, pork liver, soybeans, peanuts and pancetta.